BMW 3 SERIES B47 DECAT DOWNPIPE (F3X) (EURO 6) ✅ Eliminates Common Swirl Flap

✅ Eliminates Common Swirl Flap Failures – Prevents engine damage from broken or loose swirl flaps

or Nicaragua

Professional installation is recommended

✅ Suitable for Remapping/Tuning – Essential for performance builds or tuned diesels

BMW 3 SERIES B47 DECAT DOWNPIPE (F3X) (EURO 6) ✅ Eliminates Common Swirl FlapBMW B47 N47N (EURO 6) decat downpipeCustom Hand made from 2. 5inch diameter, 304 grade stainless steel, here in the UK, by a member of our team. Designed to improve exhaust flow and performance, removing the CAT and DPF, allowing for greater horsepower gains!! Comes in standard outlet to bolt on your standard exhaust mid section.(not please be aware the factory clamp to mid section can stretch and require replacement if not clamping up fully) Also