Scorpion Exhausts Back-Boxes (E9X 335i/335d)
As the official technical partner to the Airwaves BMW BTCC team, Scorpion knows exactly how to extract the best performance from high performance BMW engines.
These Scorpion E9X Back-Boxes fit both 335i and 335d models. They optimises exhaust flow and is a great way to add to the visual and aural experience. Does not affect emissions or MOT-compliance.
These backboxes bolt directly to the OEM system and uses factory mounting locations.
- 63.5mm (2.5″) piping
- 90mm Daytona tailpipes
Available on back-order