2.5" stainless steel with dual GT 100mm polished tips
Automatic transmission only
2.5" stainless steel with dual GT 100mm polished tips
Automatic transmission only
2.25" stainless steel with dual 4" polished stainless tips
2.5" T-304 Stainless Steel exhaust system with Borla mufflers
For use with aftermarket 2.5" downpipe
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
Holds up your exhaust and keeps it from swaying
2.5" Inlet - 3.5" Outlets - 1x1 Carbon Fiber Sleeves
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Not vehicle specific. You MUST measure prior to purchasing!
A low exhaust note with a free flow design - To be installed as a kit with 766901,766902 and 766932
Retains the use of factory vacuum-controlled exhaust flap system when used with Supersprint valve-equipped rear mufflers 770835 & 770805
Achieve perfect exhaust fitment!
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
06-13-2026
2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
Increase power by containing exhaust heat - Lava
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Contains all of the hardware you need to install a new catalytic converter on your A4
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Seals the downpipe to the catalytic converter
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2.5" Inlet - 3.5" Outlet - Single Wall Black
Install new hardware with your new parts. M8x35
Secures the downpipe to the catalytic converter