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
3.00" Stainless Steel with dual Polished oval tips - Retains valves from OE system
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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This product was last offered at the strikethrough price on
09-28-2026
Increase Sound and Power!
Featuring a Milltek Sport Hi-Flow Sport Cat with 3.00" Large Bore Pipe
Featuring Milltek Sport High-Flow sports cat, fits with OE and Milltek cat-back systems.
Used to adapt IE downpipe (RS3/TTRS) to stock Cat-back system, or IE Cat-Back (RS3) to stock downpipe
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*
Designed to handle continuous temperatures up to 1,800°F
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
Increase power by containing exhaust heat - Lava
Designed to handle continuous temperatures up to 1,800°F
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
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