Cobra Sport Sports Cat Downpipe Performance Exhaust - BMW 440i (F32/F33/F36) 2017> RS4 (B5) Finally the duct seals the

Finally the duct seals the filter opening to the front slam panel but is not restricted by just the stock entry feed

Tested to ECE R17/FMVSS 207 and ADR 3

BMW 335i F30/F31 N55

This kit drops right in with full control from the DME

Rev Match - SMG Only

Cobra Sport Sports Cat Downpipe Performance Exhaust - BMW 440i (F32/F33/F36) 2017> RS4 (B5) Finally the duct seals theThis BMW M440i performance exhaust is made in 3. 5" 88. 9mm pipework and fits from the turbo to the centre exhaust to replace the standard catalyst. The de cat exhaust version is sold for motorsport and off road use only worldwide. The sports catalyst version replaces a factory emissions device and is not EC homologated. This may not meet current emission laws for road use in your territory. All relevant fittings and gaskets are supplied. EML lights