Increased Power and Torque!
Increased Power and Torque!
T304 Stainless, TIG-welded downpipe
Features cast bends for superior flow and fitment
Features a 3.5″ cast downpipe flange and mandrel bent 3″ stainless steel tubing
Features a full and complete exhaust note with increased flow!
Featuring a 200-Cell Metallic Matrix High-Flow Catalyst
Direct bolt-on upgrade with a GESi 5” G-Sport UHO+ 400cpsi Catalytic Converter.
Includes gasket and related hardware used between turbo and downpipe
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
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
Maximize your engine's performance!
Eliminate unwanted restrictions in the factory downpipe, reduce turbo lag and enhance the exhaust note.
Stainless steel 3" downpipe with race catalytic converter designed to work with 2.75" cat-back exhaust systems.
No Check Engine Lights!
For use with Milltek cat-back exhaust only
Clamps downpipe to turbo
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
09-29-2026
Used for proper sealing of downpipe connection
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-08-2026
3" downpipe with HJS-approved high flow catalytic converter