Go Fast Bits Lightweight Crank Pulley Subaru WRX / STI / Legacy GT / Forester XT 2002-2021 Impreza_2008-2011 No resonator and a single

No resonator and a single 3" cat back with a small muffler will definitely play the sound of your people

Includes new gasket and hardware

Brian Crower high performance Evo camshafts are ground on state-of-the-art CNC cam grinders to ensure accuracy and tolerances to within

For WRXs with basic bolt-on modifications

Go Fast Bits Lightweight Crank Pulley Subaru WRX / STI / Legacy GT / Forester XT 2002-2021 Impreza_2008-2011 No resonator and a singleInstall a GFB Non underdrive light weight under drive pulley kit and get better throttle response and more power! How do they do this? 1. Less weight GFB's pulleys are manufactured on the latest Multi Axis CNC machines from the highest grade 6061 T6 aluminium billet, making them immensely lighter than their factory steel counterparts. This lower weight yields a large reduction in the rotating inertia of the belt train, allowing the engine to