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
Brand:
ES#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Ships in 2 Business Days
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
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
Brand:
ES#:
5457435
Mfg#:
UVM.76MM.X1
Ships in 2 Business Days
ON SALE!
SAVE 10%
$399.99
This product was last offered at the strikethrough price on 08-25-2026
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 valved cat back system features wireless remote control and quad carbon 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 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*
This valved cat back system features wireless remote control and quad gold 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 valved cat back system features wireless remote control and quad chrome silver 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*
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
Brand:
ES#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 6 Business Days
ON SALE!
SAVE 10%
$399.99
This product was last offered at the strikethrough price on 08-25-2026
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
Brand:
ES#:
5457434
Mfg#:
UVM76MMTSTYLEX1
Back Ordered
ON SALE!
SAVE 10%
$499.99
This product was last offered at the strikethrough price on 08-25-2026
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
Brand:
ES#:
5457432
Mfg#:
UVM76MMDUALOUTX1
Back Ordered
ON SALE!
SAVE 10%
$399.99
This product was last offered at the strikethrough price on 08-25-2026
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
