{"product_id":"iag-big-bore-76mm-throttle-body-w-electronics-silver-adapter-for-oem-sti-cosworth-ams-intake-manifolds","title":"IAG Big Bore 76mm Throttle Body w\/ Electronics \u0026 Silver Adapter for OEM STI, Cosworth \u0026 AMS Intake Manifolds STI 04-21 | IAG-AFD-2027SL","description":"\u003cp\u003e\u003cstrong\u003eProduct Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e2004-2021 Subaru STI\u003c\/p\u003e\n\u003cp data-start=\"283\" data-end=\"571\"\u003eIncrease airflow and power without compromising drivability. The IAG Big Bore 76mm Throttle Body Upgrade Kit is a plug‑and‑play solution that replaces restrictive OEM units with a larger, OEM‑quality throttle body and precision adapter plate—ideal for Subaru builds targeting 600+ HP.\u003c\/p\u003e\n\u003cp data-start=\"283\" data-end=\"571\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"621\" data-end=\"790\"\u003e\n\u003cli data-start=\"621\" data-end=\"682\"\u003e\n\u003cp data-start=\"623\" data-end=\"682\"\u003e76 mm bore—nearly 25% larger than stock throttle body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"683\" data-end=\"740\"\u003e\n\u003cp data-start=\"685\" data-end=\"740\"\u003eSupports big turbo setups and FMIC configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"741\" data-end=\"790\"\u003e\n\u003cp data-start=\"743\" data-end=\"790\"\u003eMaintains smooth idle and throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"817\" data-end=\"898\"\u003e\n\u003cp data-start=\"819\" data-end=\"898\"\u003eDirect bolt-on kit: swap OEM throttle body for IAG adapter and 76 mm unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"899\" data-end=\"959\"\u003e\n\u003cp data-start=\"901\" data-end=\"959\"\u003eNo springs, complex disassembly, or wiring modifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"960\" data-end=\"1037\"\u003e\n\u003cp data-start=\"962\" data-end=\"1037\"\u003eOEM connector remains plug‑and‑play (MAP sensor relocation may be required)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1066\" data-end=\"1125\"\u003e\n\u003cp data-start=\"1068\" data-end=\"1125\"\u003eCNC-machined from 6061 aluminum with O‑ring sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1126\" data-end=\"1185\"\u003e\n\u003cp data-start=\"1128\" data-end=\"1185\"\u003eOptional finishes: black anodized or natural silver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1186\" data-end=\"1249\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1249\"\u003eWorks seamlessly with STI, Cosworth, AMS intake manifolds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1251\" data-end=\"1268\"\u003eIncluded: \u003c\/h4\u003e\n\u003cul data-start=\"1269\" data-end=\"1400\"\u003e\n\u003cli data-start=\"1269\" data-end=\"1342\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1342\"\u003eIncludes 76 mm Big Bore Throttle Body, adapter plate, O‑rings, screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1400\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1400\"\u003eAll necessary hardware for full installation in one box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IAG","offers":[{"title":"Default Title","offer_id":42072199987296,"sku":"IAG-AFD-2027SL","price":352.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1398\/9853\/files\/IAG-Big-Bore-76mm-Throttle-Body-w-Electronics-Silver-Adapter-for-OEM-STI-Cosworth-AMS-Intake-Manifolds-STI-04-21-IAG-AFD-2027SL.jpg?v=1751413352","url":"https:\/\/www.importimageracing.com\/products\/iag-big-bore-76mm-throttle-body-w-electronics-silver-adapter-for-oem-sti-cosworth-ams-intake-manifolds","provider":"Import Image Racing","version":"1.0","type":"link"}