Audi B6 A4 Quattro 1.8T
Downpipe & Catback along with your choice of exhaust tips and more!
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For 5 and 6 speed manual transmissions only
Control your exhaust valves with the click of a button! Includes a standalone vacuum pump, wiring, vacuum hose, and controllers.
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This product was last offered at the strikethrough price on
06-13-2026
Lifetime Replacement
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
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Includes the necessary hardware and gasket to install the manifold
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Lifetime Replacement
complete drop-in upgrade will bolt up to stock/Stock Fit Turbo
This product was last offered at the strikethrough price on
06-28-2026
Lifetime Replacement
Install new hardware with your new parts. M10x1.5
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Secures the catalytic converter to the turbocharger
Lifetime Replacement
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
Replacement downpipe - To be used in various B6 A4 1.8T Milltek Exhaust Systems - SSXAU305, SSXAU033, SSXAU089, SSXAU510, SSXAU509, SSXAU304
Lifetime Replacement
Seamlessly fits in place of your restrictive stock cat - Features 3″ stainless steel piping, smooth mandrel bends, and two 02 sensor bungs
This product was last offered at the strikethrough price on
07-10-2026
Lifetime Replacement
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Lifetime Replacement
2.5" stainless steel with dual 100mm polished tips
Fits 5 speed manual only
Lifetime Replacement
2.5" stainless steel with dual 100mm polished tips
Fits 6 speed manual only
Lifetime Replacement
Stock fit high flow manifold
This product was last offered at the strikethrough price on
06-28-2026
Lifetime Replacement
2.5" stainless steel and 90mm tips
For 6 speed manual transmission Avant models only,
Lifetime Replacement
2.5" stainless steel with dual 90mm polished tips
Fits 5 speed manual only
Lifetime Replacement
High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust
Fits quattro 5-speed transmission models only - To be used with 2.5" aftermarket exhaust system
Lifetime Replacement
