AIRTEC MOTORSPORT DE-CAT DOWNPIPE FOR BMW F32/F33/F36 – 440i Stage 1 Bass / Treble: yes /

Bass / Treble: yes / yes (+/- 7 steps)

Parksafe PS025C10164

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AIRTEC MOTORSPORT DE-CAT DOWNPIPE FOR BMW F32/F33/F36 – 440i Stage 1 Bass / Treble: yes /AIRTEC MOTORSPORT DE CAT DOWNPIPE FOR BMW B58 ENGINE By removing the original restrictive catalytic converter located within the factory OEM downpipe, back pressure is hugely reduced, which in return means faster response, increased power and a more aggressive exhaust note. TECHNICAL DATA AIRTEC Motorsport De Cat Downpipe for BMW B58 Engine By removing the original restrictive catalytic converter located within the factory OEM downpipe, back pressure