F87 M2 Comp F80 M3 F82 F83 M4 S55 catless downpipes 525311

Supersprint catless downpipes for S55 engines in F87 M2 Competition (Sept 2018+), F80 M3 LCI, and F82/F83 M4 LCI models. No pre-cats, no GPF, no compromises.

• OEM-fit flanges & brackets: Direct bolt-on with factory-style mounting and O2 bungs
• AISI 304 stainless steel: TIG welded, mandrel bent, built for track-day durability
• Stage 2 fast-road or track-day focus: Sharper throttle, stronger mid-range, deeper exhaust note
• Not road legal in the UK: For off-road and track use only. CEL expected without tuning or O2 cheaters