Easy change the volume of your exhaust with the push of a button!
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Easy change the volume of your exhaust with the push of a button!
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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
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Enables the control of two electronic exhaust valves
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Please visually confirm the exhaust valve actuator installed on your vehicle prior to purchase or installation - Only compatible with systems requiring two electric valve actuators
Let your S58 breathe with this ARM crossover pipe!
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Stainless Steel exhaust tip featuring a 3.0" Inlet & a 4.0" Double Wall, Slant Cut Outlet
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Stainless Steel exhaust tip featuring a 3.0" Inlet & a 4.0" Double Wall, Slant Cut Outlet
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This product was last offered at the strikethrough price on
01-03-2026
Instant control over your exhaust flapper valve - Integrates with JB4PRO
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The best subtle but bold exhaust tip upgrade for your G8X!
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Add in this Upgraded Crossover pipe for unrestricted flow!
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This product was last offered at the strikethrough price on
06-08-2026
Eliminate exhaust restrictions for smoother exhaust flow and increased power
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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
06-12-2026
Connect your stock mufflers to a performance Supersprint center section
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3.0" Inlet - 4.0" Outlet - 1x1 Carbon Fiber Sleeve
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Secures items under the hood and resists rust
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1" X 3ft
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Unleash the aggressive sound of your S58 engine with Active Autowerke's valved rear exhaust!
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This product was last offered at the strikethrough price on
05-02-2026
Upgrade To Dinan's Foundation Package to Save When Modifying Your G8X M3 or M4!
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Call In, Chat, Or Email, For Best Price! Limited Time Only!