PERRIN Performance Charge Pipe - 2015-2021 WRX Select Finish:Wrinkle Red Pipe the Mach 2 can help

the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears

Boost fuel pressure is assumed to be the base pressure of 43 PSI + boost pressure

• For 3" inlet tubing and 3

you're going to need the proper belt

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PERRIN Performance Charge Pipe - 2015-2021 WRX Select Finish:Wrinkle Red Pipe the Mach 2 can helpReplace the restrictive OEM plastic charge pipe and increase airflow and intercooler efficiency with the PERRIN Charge Pipe for 2015 17 WRX! Fits these Applications: 2015 2021 Subaru WRX BETTER AIRFLOW OVER STOCK The OEM charge pipe on the FA20 DIT engine is restrictive, narrows down in certain points, and has pleats that make for uneven airflow. The PERRIN Charge Pipe has a perfectly smooth interior, constant radii, and gradual bends, making for much