Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Tires - High Perf. All-Season Designed to work with the

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

as many sanctioning bodies have rules that pertain to ride height

The precision-machined alloy mounts combined with low-compliance synthetic elastomer bushings provide greater control and stability compared to factory rubber components

Includes required installation hardware

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

Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Tires - High Perf. All-Season Designed to work with theManley 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,