Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Tires - High Perf. All-Season Part #: BEL3335513

Part #: BEL3335513

Exhaust: 228

The Injen Evolution Cold Air Intake features a supernano web dry filter and massive horsepower and torque gains

Designed to work with the original bushing and eliminate over compliance or better known in motorsport as 'lost motion' of the rear crossmember

Also included are the nuts and bolts to secure the Front Pipe which are also Zinc coated for durability

Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Tires - High Perf. All-Season Part #: BEL3335513Manley Performance has been manufacturing the finest stainless steel valves for over 40 years. Manley valves have been the standard of the industry from their inception, a fact that still remains true as they shift their focus and resources to the Sport Compact Market. The Manley Stainless Race Valves feature chrome stems, hard tips, fully machined surfaces and swirl polishing under their heads. These valves are available in both stock and oversized,