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

Outflows Factory Intake By Up To 70%

aggressive exhaust note that is both distinctive and exhilarating

Optional link pipe sets - with or without catalytic converters - are available to further upgrade the Slip-On Line (Titanium) system

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.