4.00" 304 stainless performance downpipe system with a high flow sports catalyst
4.00" 304 stainless performance downpipe system with a high flow sports catalyst
Replaces the restrictive secondary midpipe - Fits both OE and Milltek Sport systems
*** Not all vehicles come equipped with secondary cats, visual check recommended before ordering ***
T304 stainless-steel construction with dual 2.5" mandrel-bent brushed tubing with quad 2.5" outlets in dual 170x112mm ovalized tips
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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
08-27-2026
Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Achieve perfect exhaust fitment!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
2.5" Inlet - 3.5" Outlets - 1x1 Carbon Fiber Sleeves
This product was last offered at the strikethrough price on
08-25-2026
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Offers increased horsepower and torque throughout the powerband *(+ 178 HP / + 179 TQ), reduced turbocharger lag, and an enhanced exhaust note - This is the ultimate downpipe solution for the discerning Audi enthusiast!
2X Entries Into Our F80 M3 Sweepstakes
*Requires a Stage 2 ECU Remap to eliminate check engine light and to take full advantage of power gains*
This product was last offered at the strikethrough price on
08-17-2026
Increase power by containing exhaust heat - Lava
A perfect fit, smooth exhaust flow, and excellent sound
Stage 2 software is required to avoid check engine light.
This product was last offered at the strikethrough price on
08-26-2026
2.5" Inlet - 3.5" Outlet - Single Wall Black
This product was last offered at the strikethrough price on
08-25-2026
2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
This product was last offered at the strikethrough price on
08-25-2026
Achieve perfect exhaust fitment!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Not vehicle specific. You MUST measure prior to purchasing!
These pipes replace the restrictive secondary catalytic converters with high-flow cats, allowing the 2.5T engine to breathe easier. While not offering major performance gains, the exhaust note will be drastically improved.
This product was last offered at the strikethrough price on
08-26-2026