Supersprint Turbo Downpipe With Metallic Catalytic Converter (OEM SYSTEM) - BMW Mini R56 Cooper S | JCW Z4 (E89) we added a knurl design

we added a knurl design on the edge to provide a firm grip when installing

while also adding a unique character line to the rear spoiler not found in BMW’s own Performance boot spoiler

Smooth and progressive power delivery

and ajoyful deep sporty note when driving the 340i/440i more dynamically

Factory drivability with more power everywhere

Supersprint Turbo Downpipe With Metallic Catalytic Converter (OEM SYSTEM) - BMW Mini R56 Cooper S | JCW Z4 (E89) we added a knurl designNOT ROAD LEGAL Turbo downpipe with integrated high flow metallic cat (sports cat) for 1. 6 THP PSA BMW engine, for Peugeot models (RCZ, 207, 208, 308 etc), Citroen (DS3) and BMW Mini (Cooper S, JCW) This Supersprint downpipe is designed to be a plug&play upgrade. It replaces the stock components without any modification. O2 sensor plugs and mounting brackets are in the same position as the OEM unit. CAUTION May cause the Check Engine Light to turn on,