Go Fast Bits Underdrive Pulley Kit w/Belts Subaru Impreza RS 1999-2003 Vehicle Model_WRX STI as it is not included

as it is not included and the 2

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you can see the dyno charts of this spacer paired with our intake manifold spacer and the gains are tremendous

This Whiteline 20mm fixed position sway bar = more grip = better handling = outright performance - it's the best dollar for dollar handling improvement you can make to your vehicle

Go Fast Bits Underdrive Pulley Kit w/Belts Subaru Impreza RS 1999-2003 Vehicle Model_WRX STI as it is not includedOne 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 #: 2002 This is the Go Fast Bits 3 Piece Underdrive Pulley Kit which includes the crank pulley, and both alternator and power steering pullies. These