GSC P-D Chrome Polished Intake Valves 36mm Head (STD) WRX / STI Subaru EJ 2002-2021 (8 PCS) Vehicle Make_Mazda Hotchkis Sport Suspension 22441 2008+

Hotchkis Sport Suspension 22441 2008+ Nissan 370Z G37 G37S G35 Sport Sway Bar Set

Compressor Wheel

you'll also need the GrimmSpeed Subaru Stock DP to Aftermarket 3 in

It will however net you some serious gains through out the power band and improve throttle response

GSC P-D Chrome Polished Intake Valves 36mm Head (STD) WRX / STI Subaru EJ 2002-2021 (8 PCS) Vehicle Make_Mazda Hotchkis Sport Suspension 22441 2008+Part #: 2012 8 When designing these valves, GSC used advanced 3D design and simulation programs to create a stronger and higher flowing valve head design. Prototypes were used in the specific applications to make sure that they have the highest flowing valve head that is available on the market today. The materials they have used have less valve distortion at the face than any of the tested designs which allow for better sealing under extreme