GSC Power Division Beehive Spring & Titanium Retainer Kit Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Lancer Ralliart The GrimmSpeed Up Pipe to

The GrimmSpeed Up Pipe to Turbo Gasket features durable multi-layer stainless steel construction and is 22% thicker than the OEM gasket to provide an optimal seal

the K&N Typhoon Air Intake System replaces the factory 350Z or G35 air filter and air intake housing with a smooth

3mm / Centerline AVCS

vibration and harshness

DeatschWerks 03-06 Evo 8 & 9 injectors are Mitsubishi's Seimens supplied OEM injectors that are remanufactured by DW to the specified flow

GSC Power Division Beehive Spring & Titanium Retainer Kit Subaru WRX / STI EJ257 2004-2021 Vehicle Model_Lancer Ralliart The GrimmSpeed Up Pipe toPart #: 5043 GSC Power Division Beehive springs feature some of the most impressive manufacturing techniques in the industry. Our beehive spring uses an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. What this means to you is our spring has the highest level of spring load retention while still maintaining good fatigue threw out the life of the spring. Only the best materials go into the GSC