Perrin Alternator Pulley Black Subaru STI 2007-2021 | PSP-ENG-119BK vendor_SPC Performance This intake has been proven

This intake has been proven to gain over 56whp when used with a manual boost controller at 22psi

Available in the flare color of your selection

Part #: TS-SU-400G

Direct fit - no drilling required

Perrin Alternator Pulley Black Subaru STI 2007-2021 | PSP-ENG-119BK vendor_SPC Performance This intake has been provenProduct Fitment: 2007 2021 Subaru STI Upgrade your Subarus accessory drive with the Perrin Alternator Pulley for your Subaru STI, designed to reduce rotational mass and sharpen engine response. The Perrin unit weighs just 0. 116 lbs a significant drop from the OEM pulleys ~0. 393 lbs meaning less parasitic drag and more usable power. Features: CNC machined from 6061T6 billet aluminum Available in anodized colors (black, red, blue) with laser etching