Replace your factory downpipe with this upgraded JHM high flow cat!
Replace your factory downpipe with this upgraded JHM high flow cat!
T304 Stainless down pipe that installs directly after the factory catalytic converter
Designed using CAD modeling software to produce smooth gradual bends, eliminating flow interference.
2X Entries Into Our F80 M3 Sweepstakes
Featuring 3-inch T304 Stainless Steel Mandrel Bent Tubing
The ultimate in free-flowing exhaust performance
Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow.
This product was last offered at the strikethrough price on
09-01-2026
The ultimate in free-flowing exhaust performance