Intake Manifolds & TGV

IAG V3 TOP FEED TGV HOUSINGS WITH BUTTERFLY PASS THRU (08-14 WRX, 07+ STI, 07-12 LGT, 09-13 FXT) ...

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...

Engineered To Be The BestFor the Subaru EJ Intake Manifold the plan was simple at AMS, take years of engineering experience and design the best intake manifold available. Designed, prototyped, and tested in house by their team of Engineers, the AMS...

Here it is! Introducing the AMS Performance Subaru EJ WRX/STI Intake Manifold. The manifold was designed with performance and big HP custom setups in mind. With the level of builds this manifold will be used in, there will be some customizing required...

Stay Ahead Of Your Competition With The AMS Subaru EJ Intake ManifoldThe AMS Subaru Intake Manifold was designed to outperform the competition. We referenced many modern design examples and engineering studies to bring you the best intake manifold...

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...