Collection: M278 Catless Downpipes – E550 / CLS550 & S550

Built for the Mercedes M278 4.7L V8 BiTurbo


Why These Downpipes?

  • True catless design – large reduction in backpressure
  • Up to +160 HP / +300 TQ with ECU tuning and supporting modifications
  • Faster turbo spool and a deeper exhaust note
  • 304 stainless steel, mandrel-bent, TIG welded
  • Bolt-on fitment – no cutting, no CEL on most tunes
  • 12-month structural warranty

Choose Your Chassis

E550 • CLS550

2012–2018 — W212 E550 • C218 CLS550

Rear-wheel-drive M278 applications in the E-Class and CLS-Class.

Shop E550 / CLS550 Downpipes

S550

2013–2017 — W222 sedan • C217 coupe

Fitment matched to the W222 / C217 chassis and its exhaust routing.

Shop W222 S550 Downpipes

Not sure which set fits your car? Send us your year and model and we’ll confirm fitment.

Ships same or next business day.