SLN S58 Ceramic-Coated Sports Cat Downpipes – BMW G87 M2 RWD Only, G80/G81 M3, G82/G83 M4 & F97 X3M/F98 X4M LCI
SLN S58 Ceramic-Coated Sports Cat Downpipes – BMW G87 M2 RWD Only, G80/G81 M3, G82/G83 M4 & F97 X3M/F98 X4M LCI replaces the restrictive factory catalyst section with a higher-flow sports-catalyst arrangement. It is intended to improve exhaust flow and turbo response while retaining a catalytic element and a more controlled exhaust note than a fully catless setup.
Key features
- Euro 5 200 CEL sports catalysts
- Ceramic coating to reduce radiated engine-bay heat
- Designed to reduce the rasp associated with fully catless S58 downpipes
- TIG-welded with OEM-spec 304 stainless-steel flanges
BMW fitment
G87 M2 RWD Only, G80/G81 M3, G82/G83 M4 & F97 X3M/F98 X4M LCI.
Road-use / emissions note
A high-flow sports catalyst is not automatically EC type-approved for road use. Suitability and MOT/emissions compliance depend on the exact component and vehicle configuration. Please confirm the approval status before ordering for a road car.
Supply and fitting
Available from Swift Performance with fitment advice before ordering. Workshop fitting can be discussed where the component and vehicle remain suitable for road use.