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
2.5" Inlet - 3.5" Outlet - Forged Carbon Fiber Sleeve
Everything needed to get the job done
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This product was last offered at the strikethrough price on
07-17-2026
Mounts and brackets for rear muffler
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-20-2026
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-20-2026
Secures items under the hood and resists rust
3.0" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
2 required per vehicle
This product was last offered at the strikethrough price on
05-09-2026
2.5" Inlet - 3.5" Outlet - Single Wall Brushed Steel
2.5" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
3.0" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
Mounts and brackets for rear muffler
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1" X 3ft
A complete power & sound package for your M3!
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3.0" Inlet - 3.5" Outlet - Single Wall Burnt Steel
2.5" Inlet - 3.5" Outlet - Single Wall Burnt Steel