Supersprint Front Pipe - BMW 1 Series F20/F21 M135I | 2 Series F22/F23 M235I | F87 M2 | 3 Series F30/F31 335I Evolve-R cat-less downpipes to make the

cat-less downpipes to make the BMW an even more powerful machine

To be installed as a kit with 831011 and 831032 or 831012

(catless downpipes or cat delete)

This upgrade is for installation at Evolve

Once the flow characteristics of are changed by a radical design such as this it becomes essential to recalibrate the DME

Supersprint Front Pipe - BMW 1 Series F20/F21 M135I | 2 Series F22/F23 M235I | F87 M2 | 3 Series F30/F31 335I Evolve-R cat-less downpipes to make theReplaces the stock front section and flex joint. Removes the flattened sections of the stock pipe for improved flow. Requires the OEM BMW clamp (part number 18 30 7 560 815) to be fitted to the stock centre section.