High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. German imported 200-cell HJS catalysts.
Only for vehicles with PSE. (Porsche Sport Exhaust)
High-flowing, direct bolt-on replacement for the bulky & restrictive factory catalytic converters. German imported 200-cell HJS catalysts.
Only for vehicles without PSE.
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 1 Business Day
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#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Ships in 1 Business Day
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#:
4686062
Mfg#:
UVM.63MM.X1
Ships in 5 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
Performance exhaust systems increase flows to improve throttle response and add power. Designed to reduce back pressure, our large selection of performance exhaust parts and performance exhaust systems is made from premium materials like stainless steel. Many are TIG welded and polished to make them as attractive as they are functional.
Lifetime Replacement
