Perrin 06-14 WRX / 07-21 STI / 12-16 Impreza / 06-13 FXT / 05-09 Legacy Alternator Pulley Red | PSP-ENG-119RD Exhaust Systems this kit includes both front

this kit includes both front and rear struts compatible with most aftermarket air management systems

Flexible setup options for tuning and upgrades

Universal Turbo Fabrication Projects

Muffler Diameter: 5" OD

this axle-back kit removes the restrictive factory mufflers and replaces them with straight piping for maximum exhaust flow and a signature Mustang roar

Perrin 06-14 WRX / 07-21 STI / 12-16 Impreza / 06-13 FXT / 05-09 Legacy Alternator Pulley Red | PSP-ENG-119RD Exhaust Systems this kit includes both frontThe PERRIN Performance Crank Pulley weighs just . 2 lbs, which is lighter than the stock OEM pulley. Throttle response, horsepower and torque are all increased with this easy to install part. Precision machined mounting hub included. Designed to look mean and fast, the PERRIN Performance crank pulley has precision machined grooves which tightly sync with all OEM and aftermarket belts. The PERRIN crank pulley is machined from 6061T6 billet aluminum,