Milltek Weld-In High-Flow Sports Catalyst- 100CPSI- 76.2mm Cone 982 718 Cayman Resonated cat back system

Resonated cat back system

We have supplied and fitted this KW V1 setup on multiple E9X M3 builds and customer feedback has been consistently excellent

Vague steering and inconsistent rear-end behaviour

Expect long-travel performance

alignment and setup with MJ Modifications in Warwickshire

Milltek Weld-In High-Flow Sports Catalyst- 100CPSI- 76.2mm Cone 982 718 Cayman Resonated cat back systemYour original catalytic converter will typically have 400 or 600 Cells per square inch (CPSI) these original cats are restrictive in their flow typically allowing an open area of around 55 65% Milltek Sport Hi Flow Sports Cat which will be fully integrated into a large bore downpipe has only 100 200 CPSI depending on application These cats have an open area of between 75 85% thus reducing back pressure substantially and increasing flow rates all very