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
3" gasket for Milltek Sport - 2 bolt flange
Keep your underhood temps low and your turbo speeds high!
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Fits all OEM-Based K03 and K04 turbochargers
This product was last offered at the strikethrough price on
06-13-2026
Double wall stainless steel. 2.5" inlet, 3.5" outlet.
Not vehicle specific. You MUST measure prior to purchasing!
2.5" Inlet - 3.5" Outlet - Single Wall Brushed Steel
Double wall stainless steel. 2.25" inlet, 4" outlet.
Everything needed to install your rear muffler
3.0" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
2.5" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
Secures items under the hood and resists rust
Single wall stainless steel. Single 2.25" inlet, Dual 3" outlet.
Includes 2.5" sleeve & downpipe gasket, and related hardware. Made to work on 2.5" cat back systems
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This product was last offered at the strikethrough price on
05-02-2026
Hardware and gasket kit for mounting turbocharger to ATP high flow manifold
Everything needed to install your center muffler
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This product was last offered at the strikethrough price on
05-02-2026
Should be replaced every time the downpipe is removed to prevent exhaust leaks
This product was last offered at the strikethrough price on
06-15-2026
1" X 3ft