6" Catless B58 DOWNPIPE - 240I 340I 440I 540I 640I 740I N54 0L BMW F30 328i xDrive

0L BMW F30 328i xDrive N20 2

The following diagram shows how it is installed so that the Re|Flex AND a bluetooth analyzer can be used simultaneously

75 inches all the way back and is optimized for the best flow characteristics to improve sound and improve power through the rev range

or any midpipe that connects to the OEM B58 downpipe

Each pair of BMS Wheel spacers come with 10

6" Catless B58 DOWNPIPE - 240I 340I 440I 540I 640I 740I N54 0L BMW F30 328i xDriveHIGHLIGHTS 6" High Flow Section Improved Exhaust Sound Faster Turbo Spool Safely Flash Stage 2+ Tunes SS304 Stainless Steel PROFILE The ARM 6" B58 Downpipe takes the title of being the largest catless downpipe available for the B58 platform! The sound coming from your B58 with the 6" section of the ARM B58 Downpipe will astonish you. Even deeper tones, even better sound, and improved turbo spool. The ARM 6" B58 Downpipe is one of the foundational