Go Fast Bits 2 Piece Under-Drive Pulley Kit w/ Belts Subaru WRX / STI / Legacy GT / Forester XT 2002-2021 vendor_Buddy Club 5" piping at the back

5" piping at the back of the muffler

Part #: D2R-D-SU-03-1-ARB

structural integrity

Part #: FDO-FRP3116W

The kit comes complete with aluminum pins

Go Fast Bits 2 Piece Under-Drive Pulley Kit w/ Belts Subaru WRX / STI / Legacy GT / Forester XT 2002-2021 vendor_Buddy Club 5" piping at the backOne of the ways that you can improve the response in your engine is by adding a lightweight pulley set. Lightweight pullies have less rotational mass when compared to OEM pullies and less rotational mass means that you will have improved engine response for a little bump in both power and torque. Part #: 2001 This is the Go Fast Bits 2 Piece Underdrive Pulley Kit which includes the alternator and crank pullies. These pullies have been crafted from