Kraftwerks Supercharger Ribbed Pulley (159-99-1207) _32mm_(Rear)_(2017_MK7_GTI_Non-DCC) A Borla "Axle Back" or

A Borla "Axle Back" or rear section exhaust implies the exhaust system is located behind the vehicle rear axle

It is also available in Raw Aluminum with Options for Custom Powder-Coating Available (CSF #8082R)

Exceptional carbon to resin ratio for high stiffness and strength

Compatible with Naturally Aspirated Trucks & STILLEN Superchargers

All 3 sides of the flanges are CNC Machined to perfection

Kraftwerks Supercharger Ribbed Pulley (159-99-1207) _32mm_(Rear)_(2017_MK7_GTI_Non-DCC) A Borla "Axle Back" orIf you want your ROTREX supercharger work more efficiently, then it is vital to provide it with ROTREX or KRAFTWERKS pulleys as they will improve your vehicle performance. The supercharger compresses the air into the combustor and the pulley enables its spinning, so the faster the supercharger spins the more air will be compressed. That's why having a proper pulley will provide a pressure boost and therefore will increase the supercharger efficiency.