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
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
Take total command of your Audi RS3 8V Sedan with the XFORCE 3.5” VAREX cat-back—OEM-integrated SmartBox control, race-bred flow, and on-demand sound that adapts to every drive.
Brand:
ES#:
5435140
Mfg#:
ESRS38VSVKSB
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2474.99
This product was last offered at the strikethrough price on 06-30-2026
Transform your Audi RS3 8V Sedan with the XFORCE VAREX 3.5” valved cat-back OEM+ fitment, commanding race-ready sound on demand, and refined cruising at the push of a button.
Brand:
ES#:
5435121
Mfg#:
ESRS38VSVKCS
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2294.99
This product was last offered at the strikethrough price on 06-30-2026
Unleash your Audi RS3 8Y Sedan with the XFORCE VAREX 3” cat-back—bolt-on performance, aggressive on-demand sound, and enhanced power for a truly exhilarating drive.
Brand:
ES#:
5435144
Mfg#:
ESRS38YSVKCS
Ships in 1 Business Day
ON SALE!
SAVE 10%
$2294.99
This product was last offered at the strikethrough price on 06-30-2026
This system will increase power, reduce weight, and provide a legendary exhaust note!
Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This valved cat back system features wireless remote control and quad matte black tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
This system will increase power, reduce weight, and provide a legendary exhaust note!
Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.
This valved cat back system features wireless remote control and dual chrome silver tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
This valved cat back system features wireless remote control and quad blue coated tips - This system will increase power, reduce weight, and provide a legendary exhaust note!
*Must be used with quad tip rear diffuser from Audi S7 - 4K8807521DRU6*
Let them hear you coming with a quality performance exhaust setup. All the best exhaust brands including our in-house developed line of stainless steel exhaust upgrades are here in our expansive catalog of performance options.
