2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
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2.5" Inlet - 3.5" Outlet - 1x1 Carbon Fiber Sleeve
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More flow. More sound. More performance
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Replaces the stock BMW resonator between the catalytic converter and the rear mufflers
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2.5" Inlet - 3.5" Outlet - Single Wall Black
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Replace your failing muffler hanger!
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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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Run Supersprint mufflers with your stock x-pipe!
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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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3.0" Inlet - 3.5" Outlet - Single Wall Brushed Steel
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Direct-fit catalytic converter
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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
06-09-2026
Increase performance with emissions in mind
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Required for Supersprint 63.5mm Header Installation
100% handcrafted in Italy. Stainless steel construction. Legendary sound!
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Requires Supersprint X-Pipe or Connecting Pipe Kit for installation
More flow for less restrictions, don't let your exhaust be the weak point of power
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A more free flowing option
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For Stock Rear Muffler