Perrin Lightweight Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mazda urethane bushings

urethane bushings

style and handling

the included silencer helps to significantly reduce noise

TurboXS downpipe with high flow catalytic converter for the Subaru WRX and STI uses a massive cast 304 Stainless Steel Bellmouth that tapers to 3

Subaru BRZ 2013-up

Perrin Lightweight Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mazda urethane bushingsPerrin's lightened crank pulley for the Subaru WRX STI LGT is engineered to reduce rotating mass, increasing horsepower and torque. Made from 6061T6 aluminum and weighing 1. 2lbs, Perrin crank pulley is more then 4lbs lighter then the stock crank pulley. Perrin's pulley is not underdriven and will not affect the life of your engine. The pulley is simply a redesigned, lighter version of the stock crank pulley. Aftermarket underdrive pulleys are prone