Fabspeed Sport Catalyst Downpipe for BMW Z4 M40i (2019+)

Upgrade the Z4 M40i primary downpipe with an HJS sport-catalyst assembly. This version is for the six-cylinder M40i, not the four-cylinder Z4 models. Based in Fort Washington, Pennsylvania, Fabspeed Motorsport designs exhaust, intake and ECU-tuning products for Porsche and other sports cars. Development includes evaluation on a dynamometer, on the road and at the racetrack.

Technical Details

• Manufacturer product reference: FS.BMW.Z4.SC.
• HJS metallic sport catalyst.
• T304 stainless-steel construction.
• TIG-welded assembly for the matching original location.
• Left- and right-hand-drive coverage is specified.
• Confirm original particulate-filter equipment and downstream connection layout.

PMB Performance brings over 20 years of parts and fitment experience. Send your VIN and the relevant original or modified component details if you need help confirming the application before ordering.

Fitment & Compatibility