Intake Manifolds & TGV

IAG V3 TOP FEED TGV HOUSINGS WITH BUTTERFLY PASS THRU (06-14 WRX, 07+ STI, 07-12 LGT, 09-13 FXT) ...

The IAG Performance EJ Dual Injector TGV Housings with matching "Double Barrel" Fuel Rails are specifically designed for Subaru WRX STI race cars that require additional fuel and may desire better drivability at idle or lower RPMs. In the past, you had...

The IAG Performance 2015 - 21 WRX Complete TGV housings replace the OEM tumbler generator valves as well as the separate lower plastic risers on your turbocharged Subaru FA20 DIT engine. IAG's WRX TGV housings are designed to improve flow and performance...

The IAG Performance 2015 - 21 WRX Complete TGV Housings replace the OEM tumbler generator valves as well as the separate lower plastic risers on your turbocharged Subaru FA20 DIT engine. IAG's WRX TGVs are designed to improve flow and performance by...

IAG Performance is proud to offer 3mm phenolic grade CE spacers for your 2.0L and 2.5L engine. This is a simple, cost-effective way to maximize the power of your current set-up. The 3mm spacer is thick enough to provide superior thermal insulation to the...

IAG Performance is proud to offer 8mm phenolic grade CE spacers for your Subaru 2.0L and 2.5L engine. This is a simple, cost-effective way to maximize the power of your current set-up. The 8mm spacer offers superior thermal insulation and also aids in...

The IAG replacement TGV hardware inserts for EJ intake manifold compatibility is designed to work with the IAG V2 TGV Housings. The replacement hardware adapter may be switched around to fit the bolt spacing of various intake manifolds Subaru produced on...

02-05 Subaru WRX w/ EJ20 (Requires adapter to use WRX style drive by cable throttle body), 06-07 Subaru WRX w/ EJ25, 08-14 Subaru WRX w/ EJ25 (Requires using STI style drive by wire throttle body), 04-Current Subaru STI w/ EJ25 (2008+ STI may require...

Ford Racing 18-21 Gen 3 5.0L Cayote Intake Manifold

02-05 Subaru WRX w/ EJ20 (Requires adapter to use WRX style drive by cable throttle body), 06-07 Subaru WRX w/ EJ25, 08-14 Subaru WRX w/ EJ25 (Requires using STI style drive by wire throttle body), 04-Current Subaru STI w/ EJ25 (2008+ STI may require...

Making power under NASCAR's engine-strangling restrictor-plate rule is tough. Ford Racing's 351 single-plane NASCAR Restrictor intake manifolds give you a lightweight option. They're a spider-type configuration, with a slightly higher carb height, and...

02-05 Subaru WRX w/ EJ20 (Requires adapter to use WRX style drive by cable throttle body), 06-07 Subaru WRX w/ EJ25, 08-14 Subaru WRX w/ EJ25 (Requires using STI style drive by wire throttle body), 04-Current Subaru STI w/ EJ25 (2008+ STI may require...

GrimmSpeed 8mm Phenolic Thermal Spacers. Do you know what your intake manifold sits on?...a superheated boxer engine. If you don't know already, the cooler your intake air is the more HP your car will achieve. GS presents you the answer to this age old...