Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Crosstrek_2024 Note: NO ECU CALIBRATION REQUIRED

Note: NO ECU CALIBRATION REQUIRED

and will work with all aftermarket BOV's that fit the stock intake tube

and molybdenum additives to provide the best protection and performance in these vehicles of the late 1960s until the late 1980s

Part #: PSR-PSFPSTF-8

but in bright dip anodized aluminum to upgrade your engine bay aesthetics

Manley Race Flo Intake Valves 37mm Intake Valves (1mm Oversized) 2002-2014 WRX / 2004-2021 STI | 11140-8 Crosstrek_2024 Note: NO ECU CALIBRATION REQUIREDManley 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,