AIRTEC MOTORSPORT – DOWNPIPE DE-CAT FOR BMW S63 M5 / M6

Description

AIRTEC Motorsport De-Cat downpipe for BMW S63B44TU engine (M5/M6)

By removing the original restrictive catalytic converters located inside the factory OEM exhaust pipes, backpressure is greatly reduced, which in return means quicker response, more power, and a more aggressive exhaust note.

One of the few manufacturers that offers a cast elbow to maintain the diameter!

Somatic traits:

• Made of stainless steel
• AIRTEC laser cut plate
• Smooth curves to ensure greater flow
• Suitable for original and aftermarket exhaust systems
• Improved performance further improved with remapping