IAG Big Bore 76mm Throttle Body w/ Electronics & Adapter Package (For Use With Process West Intake Manifolds) - Silver Adapter Plate - 2004-2021 Subaru STI / 2006-2007 WRX / 2004-2008 Forester XT discontinued This piece covers the factory

This piece covers the factory front nose piece for an enhanced and cleaner look that will add more value and more style

Elevate your Hatchback's performance and maintain its aesthetic appeal with this outstanding addition

This filter will work on vehicles ranging from 200-3000 plus HP applications and provides unmatched flow with ease of installation and maintenance

The 22mm BSR49XZ is the correct choice for most WRX and STI owners doing a balanced street/track build

IAG Big Bore 76mm Throttle Body w/ Electronics & Adapter Package (For Use With Process West Intake Manifolds) - Silver Adapter Plate - 2004-2021 Subaru STI / 2006-2007 WRX / 2004-2008 Forester XT discontinued This piece covers the factoryIAG Big Bore 76mm Throttle Body w Electronics and Adapter Package Silver Adapter 2004 2021 STI 2006 2007 WRX 2004 2008 Forester XT Upgrade Your Throttle Body for 600+ HP Applications Subaru owners pushing past 600 horsepower can find the OEM throttle body becomes a restriction it is not large enough to flow enough air for the largest turbocharger setups. IAG's Big Bore 76mm Throttle Body package includes a 76mm bore throttle body (silver finish only),