Increased Power and Torque!
Increased Power and Torque!
T304 Stainless Steel with high flow catylitic converter
Features cast bends for superior flow and fitment
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
Maximize your engine's performance!
Provides increased horsepower and torque throughout the powerband, reduced turbocharger lag, and an enhanced exhaust note!
2X Entries Into Our F80 M3 Sweepstakes
3" downpipe with 200-cell high flow catalytic converter for use with OEM cat-back exhaust.
For use with factory cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
3" downpipe with HJS-approved high flow catalytic converter
This product was last offered at the strikethrough price on
08-29-2026
Built to last with 304 stainless steel and engineered for dyno-proven power gains.
Stainless steel 3" downpipe with high flow catalytic converter designed to work with 3" cat-back exhaust systems.
For use with Milltek cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
Stainless steel 3" downpipe with high flow catalytic converter designed to work with factory cat-back exhaust systems.
For use with factory cat-back exhaust only
This product was last offered at the strikethrough price on
08-17-2026
A great way to add power through the entire RPM range
Stainless steel 3" downpipe with a EC-approved high flow catalytic converter, for use with the stock cat-back
This product was last offered at the strikethrough price on
08-29-2026
An upgraded downpipe is a must-have item for any owner looking to make serious power from their vehicle.