Maximize your engine's performance!
Maximize your engine's performance!
Featuring a HJS brand 200-cell Hi-Flow Sport Cat, for use with Milltek cat-back only
This product was last offered at the strikethrough price on
09-18-2026
Featuring a Milltek Sport Hi-Flow Sport Cat, for use with the stock cat-back
This product was last offered at the strikethrough price on
09-18-2026
3" downpipe with HJS-approved high flow catalytic converter
This product was last offered at the strikethrough price on
09-18-2026
Featuring Milltek Sport Hi-Flow sports cat designed for Milltek's 3" Race cat-back systems.
This product was last offered at the strikethrough price on
09-18-2026
Stainless steel 3" downpipe with high flow catalytic converter designed to work with 3" cat-back exhaust systems.
This product was last offered at the strikethrough price on
09-18-2026
Stainless steel 3" downpipe with HJS sport catalytic converter designed to work with 2.75" cat-back exhaust systems.
This product was last offered at the strikethrough price on
09-18-2026
Offering increased horsepower and torque, reduced turbocharger lag, and an enhanced exhaust note, this is the ultimate downpipe solution.
2X Entries Into Our F80 M3 Sweepstakes
An upgraded downpipe is a must-have item for any owner looking to make serious power from their vehicle.
Stainless steel 80mm 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
09-18-2026
Stainless steel 80mm downpipe with high flow catalytic converter designed to work with 80mm cat-back exhaust systems.
For use with Milltek cat-back exhaust only
This product was last offered at the strikethrough price on
09-18-2026
3.00" 304 stainless performance downpipe system with a high flow sports catalyst
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
09-18-2026
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