AIRTEC Motorsport De-Cat Downpipe for BMW S63B44TU engine (M5/M6)
By removing the original & restrictive catalytic converter in the OEM factory downpipe, back pressure us hugely reduced, in return means a faster spool, increased power and a much more aggressive exhaust note.
AIRTEC Motorsport De-Cat Downpipes for BMW S63B44TU engine (M5/M6)
By removing the original restrictive catalytic converters located within the factory OEM downpipes, back pressure is hugely reduced, which in return means faster response, increased power and a more aggressive exhaust note.
One of the only manufacturers that offer a cast elbow to retain diameter!
Features:
- Made from stainless steel
- AIRTEC laser cut plaque
- Smooth bends to ensure increased flow
- Fits original and aftermarket exhaust systems
- Improved performance further enhanced with remap
Will fit the following models:
- F10 M5
- F06/F12/F13 M6