{"product_id":"piii-gr-corolla-airbox-intake","title":"PIII GR Corolla Airbox Intake","description":"\u003ch2 data-section-id=\"tf9s64\" data-start=\"1632\" data-end=\"1668\"\u003ePIII GR Corolla Airbox Intake Kit\u003c\/h2\u003e\n\u003cp data-start=\"1670\" data-end=\"1916\"\u003eThe \u003cstrong data-start=\"1674\" data-end=\"1711\"\u003ePIII GR Corolla Airbox Intake Kit\u003c\/strong\u003e is a complete OEM+ intake solution developed to increase airflow, improve induction sound and support higher engine performance while retaining the practicality of the original Toyota panel filter format.\u003c\/p\u003e\n\u003cp data-start=\"1918\" data-end=\"2172\"\u003eAfter more than 12 months of development and real-world testing across multiple vehicles, from Europe imports to North America, we created an airbox that improves the GR Corolla’s intake path without compromising serviceability, fitment or OEM-style integration.\u003c\/p\u003e\n\u003cp data-start=\"2174\" data-end=\"2471\"\u003eUnlike many open-cone intake systems, the PIII Airbox uses a sealed cold-air design, feeding the filter directly from the front of the car. The result is a cleaner, more controlled airflow path, improved pressure recovery at speed, and a more stable intake environment for both OEM and tuned cars.\u003c\/p\u003e\n\u003ch2 data-section-id=\"12k72y2\" data-start=\"2473\" data-end=\"2489\"\u003eMain benefits\u003c\/h2\u003e\n\u003cul data-start=\"2491\" data-end=\"2971\"\u003e\n\u003cli data-section-id=\"56imj5\" data-start=\"2491\" data-end=\"2565\"\u003eIncreased airflow, engine response, torque potential and power +6\/+\u0026gt;20bhp\u003c\/li\u003e\n\u003cli data-section-id=\"19x9cbm\" data-start=\"2566\" data-end=\"2622\"\u003eIncreased induction sound under all driving conditions\u003c\/li\u003e\n\u003cli data-section-id=\"61uo6u\" data-start=\"2623\" data-end=\"2682\"\u003eSealed cold-air intake path from the front of the vehicle\u003c\/li\u003e\n\u003cli data-section-id=\"bm43wc\" data-start=\"2683\" data-end=\"2728\"\u003eCompatible with the OEM Toyota panel filter\u003c\/li\u003e\n\u003cli data-section-id=\"147zvvp\" data-start=\"2729\" data-end=\"2787\"\u003eCompatible with the optional PIII High-Flow Panel Filter\u003c\/li\u003e\n\u003cli data-section-id=\"148cd9q\" data-start=\"2788\" data-end=\"2816\"\u003eOEM+ engine bay appearance\u003c\/li\u003e\n\u003cli data-section-id=\"17khbon\" data-start=\"2817\" data-end=\"2859\"\u003eIncluded two-piece radiator cover shroud\u003c\/li\u003e\n\u003cli data-section-id=\"139662f\" data-start=\"2860\" data-end=\"2897\"\u003eNo permanent modifications required\u003c\/li\u003e\n\u003cli\u003eNo bumper removal required for installation\u003c\/li\u003e\n\u003cli data-section-id=\"139662f\" data-start=\"2860\" data-end=\"2897\"\u003eDeveloped over 12 months and tested on 7 vehicles from Poland to Canada\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"l0xmu6\" data-start=\"2973\" data-end=\"3019\"\u003eDesigned around the OEM panel filter format\u003c\/h2\u003e\n\u003cp data-start=\"3021\" data-end=\"3110\"\u003eThe PIII GR Corolla Airbox has been engineered around the OEM Toyota panel filter format.\u003c\/p\u003e\n\u003cp data-start=\"3112\" data-end=\"3296\"\u003eThis allows the car to retain simple, reliable and affordable filter servicing, while also giving owners the option to upgrade to a higher-flow panel filter for additional performance.\u003c\/p\u003e\n\u003cp data-start=\"3298\" data-end=\"3537\"\u003eWhen paired with an aftermarket panel filter, our testing has shown gains of over \u003cstrong data-start=\"3380\" data-end=\"3390\"\u003e+6 bhp\u003c\/strong\u003e compared with the stock airbox on OEM ECU settings, with further improvements across the power band on Stage 1 and Stage 2 EcuTek engine software.\u003c\/p\u003e\n\u003cp data-start=\"3539\" data-end=\"3701\"\u003eAs with any intake system, final gains depend on the vehicle specification, ECU calibration, supporting modifications, ambient conditions and total engine output, so you can safely expect from \u003cstrong\u003e+6 bhp \u003c\/strong\u003eto\u003cstrong\u003e + \u0026gt;20 bhp\u003c\/strong\u003e, depending on your state of tune.\u003c\/p\u003e\n\u003ch2 data-section-id=\"136tw6a\" data-start=\"3703\" data-end=\"3740\"\u003eClean airflow, not just more noise\u003c\/h2\u003e\n\u003cp data-start=\"3742\" data-end=\"3804\"\u003eThe goal of this airbox was not simply to make the car louder.\u003c\/p\u003e\n\u003cp data-start=\"3806\" data-end=\"4007\"\u003eThe PIII GR Corolla Airbox completely redesigns the intake path, making use of the available packaging space to create a sealed, unobstructed cold-air route from the front of the vehicle to the filter.\u003c\/p\u003e\n\u003cp data-start=\"4009\" data-end=\"4162\"\u003eThe incoming air is guided toward the panel filter in a controlled and direct way, helping maintain stable airflow before the MAF sensor and turbo inlet.\u003c\/p\u003e\n\u003cp data-start=\"4164\" data-end=\"4439\"\u003eThis is one of the main advantages of a properly designed panel-filter airbox. Compared with many cone-filter layouts, the panel filter format allows the airflow to approach the filter face more evenly, instead of reaching it from an uncontrolled angle inside the engine bay.\u003c\/p\u003e\n\u003cp data-start=\"4441\" data-end=\"4650\"\u003eThere is a reason why many high-level motorsport intake systems use large panel filter airboxes when packaging allows it: they offer excellent filtration area, controlled flow, and a stable intake environment.\u003c\/p\u003e\n\u003ch2 data-section-id=\"kqz0po\" data-start=\"4652\" data-end=\"4692\"\u003eOEM turbo inlet retained for a reason\u003c\/h2\u003e\n\u003cp data-start=\"4694\" data-end=\"4763\"\u003eDuring development, we tested and analysed the intake path carefully.\u003c\/p\u003e\n\u003cp data-start=\"4765\" data-end=\"4919\"\u003eOne of the key conclusions was that retaining the OEM turbo intake pipe from the airbox to the turbocharger was the correct solution for this application.\u003c\/p\u003e\n\u003cp data-start=\"4921\" data-end=\"5185\"\u003eLarger-diameter pipes are not automatically better. On this platform, and at power levels below approximately \u003cstrong data-start=\"5031\" data-end=\"5042\"\u003e550 bhp\u003c\/strong\u003e, increasing the pipe volume in this area can reduce air velocity and density, which may negatively affect response, spool and torque delivery.\u003c\/p\u003e\n\u003cp data-start=\"5187\" data-end=\"5347\"\u003eFor this reason, the PIII system focuses on improving the airbox and cold-air feed, while retaining the OEM turbo inlet geometry where it still works correctly.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d6nix\" data-start=\"5349\" data-end=\"5389\"\u003eMotorsport-derived MAF sensor housing\u003c\/h2\u003e\n\u003cp data-start=\"5391\" data-end=\"5480\"\u003eA critical part of this system is the dedicated \u003cstrong data-start=\"5439\" data-end=\"5479\"\u003eHP MJF 3D printed MAF sensor housing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"5482\" data-end=\"5733\"\u003eThis component is produced with high dimensional accuracy and is designed to replicate the critical OEM sensor geometry as closely as possible. The goal is to provide stable, repeatable MAF readings for consistent operation on both OEM and tuned ECUs.\u003c\/p\u003e\n\u003cp data-start=\"5735\" data-end=\"5894\"\u003eThe housing is bonded seamlessly into the rear airbox duct and includes the necessary features for correct MAF sensor positioning and wiring harness retention.\u003c\/p\u003e\n\u003cp data-start=\"5896\" data-end=\"6004\"\u003eThe result is a clean OEM+ installation with proper sensor integration, not an improvised intake conversion.\u003c\/p\u003e\n\u003cp data-start=\"5896\" data-end=\"6004\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/PIII_MAF_Holder_V2.1.jpg?v=1770986783\" alt=\"\" style=\"font-size: 0.875rem;\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1wgtof9\" data-start=\"6006\" data-end=\"6039\"\u003eAdvanced Plastics vs Carbon\u003c\/h2\u003e\n\u003cp\u003eNot all plastics are equal.\u003cbr\u003eThe plastics we use in stamping all our Airboxes are of the highest quality, new generation and heat resistant recycled \/ improved ABS.\u003c\/p\u003e\n\u003cp\u003eWhy does this matter? \u003cstrong\u003eThermal Conductivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen compared to Carbon Fiber\u003c\/strong\u003e, our advanced plastic material outmatches carbon by a factor of x2 to x40 less heat conductivity, depending on the construction and quality of the unit we compare it to.\u003c\/p\u003e\n\u003cp\u003eIn engineering terms, material conductivity:\u003cbr\u003eSpecial ABS:            0.20 W\/M . K\u003cbr\u003eCarbon Epoxy:         0.50 to 20 W\/M . K \u003cspan style=\"font-size: 14.0pt; line-height: 115%; font-family: 'Aptos',sans-serif; mso-ascii-theme-font: minor-latin; mso-fareast-font-family: Aptos; mso-fareast-theme-font: minor-latin; mso-hansi-theme-font: minor-latin; mso-bidi-font-family: 'Times New Roman'; mso-bidi-theme-font: minor-bidi; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\"\u003e\u003c!--[endif]--\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the aesthetics are more of a personal view (we like the OEM+ matching look), it is clear that the thermal properties of our airboxes represent a clear improvement versus their carbon fiber counterparts. \u003cstrong\u003eExpect lower air intake temperatures (AIT) and less heatsoak.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFurthermore, the Advanced ABS we use, that is the same material used by the likes of Lamborghini, does not suffer of any heat deformation within this application.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-section-id=\"1wgtof9\" data-start=\"6006\" data-end=\"6039\"\u003eAir Filter\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-subtree=\"aimfl,mfl\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eThe Included French-made Filter uses a race-proven, dual-layer woven cotton gauze in PIII specifications\u003c\/span\u003e. You can easily authenticate it by checking for the laser-engraved logo on the sidewall, which ensures it delivers the exact same motorsport-tier performance trusted by WRC and 24-hour endurance OEM Teams.\u003c\/p\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgOEAA\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eBuilt by \u003cspan class=\"\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eGreen Filter Europe\u003c!--TgQPHd|[[\u0026quot;https:\/\/green-filter.com\/en\/the-company\/\u0026quot;,null,null,[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,[{\u0026quot;1218\u0026quot;:[16]}]],16,null,\u0026quot;THE COMPANY - Green Filter Europe\u0026quot;,\u0026quot;This is why our development department and technical department have put in place the technical means that enable us to manufacture small, medium and large series. Quality and innovation are the basis of the GREEN FILTER Charter. We strive to be the best in all areas and thus offer our customers the highest performance. Over the years our quality department has set up procedures to ensure that our products are manufactured to the highest quality. Our know-how in the French way, our desire to do better every day, our development, but above all our passion has allowed us to position ourselves in high level competition with pole positions at the 24H Le Mans auto and motorcycle, Bol d \u0026#39;Or our presence also at the Enduro du Touquet as well as in other sports competitions such as drifting … We have entrusted the sale of our products to our loyal dealers throughout the world, but we keep a direct link with our customers in order to satisfy your requests, to follow up and offer you products at the best price. ... GREEN Filter Europe is the original manufacturer of high performance cleanable and reusable air filter of the brand since 1995. A team of qualified and passionate professionals are at your service to offer you quality products.\u0026quot;,\u0026quot;https:\/\/encrypted-tbn2.gstatic.com\/images?q\\u003dtbn:ANd9GcS9YUBDuLCJ6Kc1Lr-Maa97OfRpeGDrusfV3Q4JhIRuuQBfQE3qKw22NJLTjmOJEsND9quCbVb2a6ZOSD2ChQ\u0026quot;,\u0026quot;Green Filter Europe\u0026quot;,\u0026quot;https:\/\/encrypted-tbn0.gstatic.com\/faviconV2?url\\u003dhttps:\/\/green-filter.com\\u0026client\\u003dAIM\\u0026size\\u003d128\\u0026type\\u003dFAVICON\\u0026fallback_opts\\u003dTYPE,SIZE,URL\u0026quot;,[[1781016859904000,117628095,1345629631],null,null,null,null,[[2,0,13]]],null,\u0026quot;38723bae-f87a-4fdf-8378-789b6dbc8fe3\u0026quot;]]--\u003e\u003c\/span\u003e, these filters are engineered for maximum airflow and lifetime durability. Key features of this motorsport technology include:\u003c!--TgQPHd|[]--\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwiAkJjqtPqUAxW_3AIHHb-tNFAQi4wTeggIAggACBAQAA\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgQEAE\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eDual-Layer Cotton:\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e Features two layers of custom-woven cotton to optimally trap contaminants while maximizing engine breathing.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgQEAI\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eCompetition DNA:\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e Engineered with the exact same filtration technology used in top-tier WRC cars and 24-hour track competitions.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgQEAM\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eLaser Authentication:\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e Each genuine unit features a distinct sidewall laser engraving for easy identification.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\n\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgQEAQ\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong class=\"Yjhzub\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Arial, sans-serif; font-size: 16px; font-weight: 600; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003eReusable Design:\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e Fully cleanable and serviceable, allowing it to function for the entire lifetime of your vehicle.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eIn the PIII configuration, testing has shown a Filter efficiency of = 99.1%\u003c\/p\u003e\n\u003cp\u003eThe filter is also washable, but please follow the instructions and do not over-apply oil when priming the filter, as this may cause issues with the MAF sensor!\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"PIRAS Motorsport PIII G16E-GTS Filter SIDE VIEW WITH LOGO\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/web-PIIIG16E-GTSFilterSIDEVIEWLOGO-2.jpg?v=1773764858\"\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1wgtof9\" data-start=\"6006\" data-end=\"6039\"\u003ePerformance testing background\u003c\/h2\u003e\n\u003cp data-start=\"6041\" data-end=\"6171\"\u003eThe PIII GR Corolla Airbox Intake Kit is based on the same engineering philosophy used for our proven GR Yaris airbox development. \u003cstrong\u003eIncreases between 6 bhp and 20+bhp\u003c\/strong\u003e have been seen across the various levels of engine tuning, with unparalleld engine response.\u003c\/p\u003e\n\u003cp data-start=\"6173\" data-end=\"6274\"\u003eOn the GR Yaris platform, testing showed measurable improvements across different ECU configurations:\u003c\/p\u003e\n\u003cp data-start=\"6276\" data-end=\"6441\"\u003e\u003cstrong data-start=\"6276\" data-end=\"6303\"\u003eStock ECU, OEM software\u003c\/strong\u003e\u003cbr data-start=\"6303\" data-end=\"6306\"\u003eA Gen.1 GR Yaris tested on ACME Racing’s Rotronics hub dyno showed a \u003cstrong data-start=\"6375\" data-end=\"6391\"\u003e+5.9 hp gain\u003c\/strong\u003e over the stock airbox before ECU adaptation time.\u003c\/p\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\u003cspan style=\"color: #000000;\"\u003eTest 1: carried out on an OEM Gen.1 GR Yaris and no changes to the electronics. Gains will be larger after the OEM ECU has time to adapt. Testing by ACME Racing on a Hub dyno by Rotronics:\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/ACME_PIII_V.2_MAF.Holder.jpg?v=1756979084\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/ACME_PIII_V.2_MAF.Holder_Gen.1_OEM.ECU.Software.jpg?v=1771246313\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"6443\" data-end=\"6715\"\u003e\u003cstrong data-start=\"6443\" data-end=\"6478\"\u003eStock ECU with Stage 1 software\u003c\/strong\u003e\u003cbr data-start=\"6478\" data-end=\"6481\"\u003eDuring testing at ProfiTuning, swapping from the OEM airbox to the PIRAS Motorsport airbox required an \u003cstrong data-start=\"6584\" data-end=\"6624\"\u003e8% reduction in Wastegate Duty Cycle\u003c\/strong\u003e to maintain the same power level, indicating a significant increase in airflow efficiency.\u003c\/p\u003e\n\u003cp data-start=\"6717\" data-end=\"6958\"\u003e\u003cstrong data-start=\"6717\" data-end=\"6749\"\u003eSyvecs ECU, Stage 1 software\u003c\/strong\u003e\u003cbr data-start=\"6749\" data-end=\"6752\"\u003eA Gen.1 Rally R1T GR Yaris running a Syvecs ECU in speed-density mode gained \u003cstrong data-start=\"6829\" data-end=\"6840\"\u003e+7.5 hp\u003c\/strong\u003e from the airbox swap alone, with improved power delivery from 5300 rpm to 7200 rpm and a reduction of the torque dip.\u003c\/p\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\n\u003cspan style=\"color: #000000;\"\u003eTest 3: carried out on a R1T Rally GR Yaris, with Syvecs ECU and no changes to the electronics. Gains will be larger software adaptations. \u003c\/span\u003e\u003cspan style=\"color: #000000;\"\u003eTesting by ACME Racing on a Hub dyno by Rotronics:\u003c\/span\u003e\n\u003c\/h5\u003e\n\u003ch5 class=\"MsoNormal\"\u003e\n\u003cspan style=\"color: #000000;\"\u003e\u003cimg\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan style=\"color: #2b00ff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/IMG_3204.png?v=1756117496\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003cp data-start=\"6960\" data-end=\"7123\"\u003eThese results are not presented as direct GR Corolla figures, but they show the performance potential of the airbox concept on the Toyota G16E-GTS engine platform.\u003cbr\u003eDyno runs have been carried out on the GR Corolla, but the environment was not controlled so we prefer to stick with our confirmed data for now.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1vgv8ee\" data-start=\"7125\" data-end=\"7141\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1vgv8ee\" data-start=\"7125\" data-end=\"7141\"\u003eMade in Italy\u003c\/h2\u003e\n\u003cp data-start=\"7143\" data-end=\"7198\"\u003eThe PIII GR Corolla Airbox is \u003cstrong data-start=\"7173\" data-end=\"7197\"\u003emade in Turin, Italy\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"7200\" data-end=\"7471\"\u003eThe main airbox body is industrially thermoformed in plastic, while the MAF housing is produced using HP MJF 3D printing for dimensional accuracy. The system also includes laser-cut brackets and a dedicated two-piece radiator shroud for a clean and complete installation.\u003c\/p\u003e\n\u003cp data-start=\"7473\" data-end=\"7637\"\u003eThe lower mounting bracket is designed to mate with the OEM mounting points, allowing the kit to be installed with simple hand tools and no permanent modifications.\u003c\/p\u003e\n\u003cp data-start=\"7639\" data-end=\"7703\"\u003eInstallation can typically be completed in less than 30 minutes, without bumper removal.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1w7wbcp\" data-start=\"7705\" data-end=\"7722\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1w7wbcp\" data-start=\"7705\" data-end=\"7722\"\u003eIncluded parts\u003c\/h2\u003e\n\u003cul data-start=\"7724\" data-end=\"7854\"\u003e\n\u003cli data-section-id=\"wy32s9\" data-start=\"7724\" data-end=\"7747\"\u003e1x Main airbox intake\u003c\/li\u003e\n\u003cli data-section-id=\"1wzzqvd\" data-start=\"7748\" data-end=\"7779\"\u003e1x Front cold-air intake duct\u003c\/li\u003e\n\u003cli data-section-id=\"zd2zy3\" data-start=\"7780\" data-end=\"7810\"\u003e1x Two-piece radiator shroud \/ Cooling Plate\u003c\/li\u003e\n\u003cli data-section-id=\"zd2zy3\" data-start=\"7780\" data-end=\"7810\"\u003e1x PIII Air Filter by Green Filter\u003c\/li\u003e\n\u003cli data-section-id=\"1ymaxdr\" data-start=\"7811\" data-end=\"7834\"\u003e2x Laser-cut brackets\u003c\/li\u003e\n\u003cli data-section-id=\"145jq9n\" data-start=\"7835\" data-end=\"7854\"\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"7856\" data-end=\"7976\"\u003e\u003cstrong data-start=\"7856\" data-end=\"7884\"\u003eAs of 03\/06\/2026 Air filter is included !\u003c\/strong\u003e\u003cbr data-start=\"7884\" data-end=\"7887\"\u003eCompatible with the OEM Toyota panel filter and the optional PIII High-Flow Panel Filter.\u003c\/p\u003e\n\u003ch2 data-section-id=\"y2xkz9\" data-start=\"7978\" data-end=\"8010\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"y2xkz9\" data-start=\"7978\" data-end=\"8010\"\u003eTechnical specification table\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"8012\" data-end=\"8706\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"8012\" data-end=\"8039\"\u003e\n\u003ctr data-start=\"8012\" data-end=\"8039\"\u003e\n\u003cth data-start=\"8012\" data-end=\"8022\" data-col-size=\"sm\" class=\"\"\u003eFeature\u003c\/th\u003e\n\u003cth data-start=\"8022\" data-end=\"8039\" data-col-size=\"sm\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"8050\" data-end=\"8706\"\u003e\n\u003ctr data-start=\"8050\" data-end=\"8097\"\u003e\n\u003ctd data-start=\"8050\" data-end=\"8060\" data-col-size=\"sm\"\u003eProduct\u003c\/td\u003e\n\u003ctd data-start=\"8060\" data-end=\"8097\" data-col-size=\"sm\"\u003ePIII GR Corolla Airbox Intake Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8098\" data-end=\"8143\"\u003e\n\u003ctd data-start=\"8098\" data-end=\"8122\" data-col-size=\"sm\"\u003eVehicle compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8122\" data-end=\"8143\"\u003eToyota GR Corolla\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8144\" data-end=\"8187\"\u003e\n\u003ctd data-start=\"8144\" data-end=\"8160\" data-col-size=\"sm\"\u003eFilter format\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8160\" data-end=\"8187\"\u003eOEM Toyota panel filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8188\" data-end=\"8216\"\u003e\n\u003ctd data-start=\"8188\" data-end=\"8210\" data-col-size=\"sm\"\u003eAir filter included\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8210\" data-end=\"8216\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8217\" data-end=\"8267\"\u003e\n\u003ctd data-start=\"8217\" data-end=\"8236\" data-col-size=\"sm\"\u003eOptional upgrade\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8236\" data-end=\"8267\"\u003ePIII High-Flow Panel Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8268\" data-end=\"8328\"\u003e\n\u003ctd data-start=\"8268\" data-end=\"8291\" data-col-size=\"sm\"\u003eMain airbox material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8291\" data-end=\"8328\"\u003eIndustrially thermoformed plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8329\" data-end=\"8382\"\u003e\n\u003ctd data-start=\"8329\" data-end=\"8352\" data-col-size=\"sm\"\u003eMAF housing material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8352\" data-end=\"8382\"\u003eHP MJF 3D printed material\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8383\" data-end=\"8425\"\u003e\n\u003ctd data-start=\"8383\" data-end=\"8399\" data-col-size=\"sm\"\u003eIntake design\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8399\" data-end=\"8425\"\u003eSealed cold-air intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8426\" data-end=\"8474\"\u003e\n\u003ctd data-start=\"8426\" data-end=\"8444\" data-col-size=\"sm\"\u003eRadiator shroud\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8444\" data-end=\"8474\"\u003eIncluded, two-piece design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8475\" data-end=\"8531\"\u003e\n\u003ctd data-start=\"8475\" data-end=\"8490\" data-col-size=\"sm\"\u003eInstallation\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8490\" data-end=\"8531\"\u003eDirect fitment with simple hand tools\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8532\" data-end=\"8572\"\u003e\n\u003ctd data-start=\"8532\" data-end=\"8566\" data-col-size=\"sm\"\u003ePermanent modification required\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8566\" data-end=\"8572\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8573\" data-end=\"8627\"\u003e\n\u003ctd data-start=\"8573\" data-end=\"8603\" data-col-size=\"sm\"\u003eEstimated installation time\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8603\" data-end=\"8627\"\u003eLess than 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8628\" data-end=\"8665\"\u003e\n\u003ctd data-start=\"8628\" data-end=\"8641\" data-col-size=\"sm\"\u003eProduction\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"8641\" data-end=\"8665\"\u003eMade in Turin, Italy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"8666\" data-end=\"8706\"\u003e\n\u003ctd data-start=\"8666\" data-end=\"8672\" data-col-size=\"sm\"\u003eUse\u003c\/td\u003e\n\u003ctd data-start=\"8672\" data-end=\"8706\" data-col-size=\"sm\"\u003eMotorsport \/ off-road use only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-section-id=\"9k04o4\" data-start=\"8708\" data-end=\"8736\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"9k04o4\" data-start=\"8708\" data-end=\"8736\"\u003eMotorsport use disclaimer\u003c\/h2\u003e\n\u003cp data-start=\"8738\" data-end=\"8939\"\u003eThis product is intended for motorsport and off-road use only.\u003cbr data-start=\"8800\" data-end=\"8803\"\u003eCompatibility, emissions legality and road use regulations may vary depending on your country, vehicle model year and local legislation.\u003c\/p\u003e\n\u003cp data-start=\"8738\" data-end=\"8939\"\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/MkjXPceq3GY?si=7gEq5NurXTkIz1WF\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e","brand":"PIRAS Motorsport","offers":[{"title":"Default Title","offer_id":53617330487633,"sku":null,"price":845.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/9695\/7009\/files\/WEB_PIII_GRC_Airbox_Full_kit_Front_SQUARE.jpg?v=1780839636","url":"https:\/\/www.pirasmotorsport.com\/products\/piii-gr-corolla-airbox-intake","provider":"PIRAS Motorsport","version":"1.0","type":"link"}