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
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
An upgraded downpipe is a must-have item for any owner looking to make serious power from their vehicle.
Looking for the best of both worlds?
2X Entries Into Our F80 M3 Sweepstakes
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
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
2.5" Inlet - 3.5" Outlet - Single Wall Black
3.00" 304 stainless performance downpipe system with a high flow sports catalyst
2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
Increase power by containing exhaust heat - Lava
Keep your underhood temps low and your turbo speeds high!
Achieve perfect exhaust fitment!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Lets you override the factory exhaust valve operation to fully open the valves at the press of a button!
Call In Or Chat For Best Price!
This product was last offered at the strikethrough price on
09-28-2026
Used for proper sealing of downpipe connection
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
07-08-2026
2.5" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
Quad 100mm GT100 Tips - Replacement tips for select Milltek exhaust systems
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button