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
Double wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
2.5" Inlet - 3.5" Outlet - Forged Carbon Fiber Sleeve
3" gasket for Milltek Sport - 2 bolt flange
2.5" Inlet - 3.5" Outlet - Single Wall Burnt Steel
Secures items under the hood and resists rust
Single wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Double wall stainless steel. 2.5" inlet, 3.5" outlet.
Not vehicle specific. You MUST measure prior to purchasing!
Keep your underhood temps low and your turbo speeds high!
Fits all OEM IS12, IS20 and IS38 turbochargers
This product was last offered at the strikethrough price on
09-29-2026
2.5" Inlet - 3.5" Outlet - Single Wall Brushed Steel
Double wall stainless steel. 2.25" inlet, 4" outlet.
3.0" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
3.0" Inlet - 3.5" Outlet - Single Wall Brushed Steel
1" X 3ft
Increase power by containing exhaust heat
Increase power by containing exhaust heat - Tan