Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
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Requires minor mid-pipe modifications
Upgrade the exhaust sound of your BMW - T304 Stainless Steel with Electronic Valves & Cast Y-Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires minor mid-pipe modifications
2.5" Inlet - 3.5" Outlets - 1x1 Carbon Fiber Sleeves
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Gains of up to 11 HP and 15 ft-lbs of torque!
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Achieve perfect exhaust fitment!
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This product was last offered at the strikethrough price on
05-02-2026
A more free flowing option
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Upgrade your sound while keeping your factory valved muffler installed. While your upgrading sound receive a FREE ignition upgrade with performance B-series coils and NGK spark plugs.
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
01-03-2026
For the Dual Exhaust Conversion
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A refined sound with better flow
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2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
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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
Instant control over your exhaust flapper valve - Integrates with JB4PRO
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For the Dual Exhaust Conversion
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2.5" Inlet - 3.5" Outlet - Single Wall Black
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Bracket that holds the rear muffler on the passenger side
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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
06-05-2026
Bracket that holds the rear muffler on the driver side
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
06-05-2026