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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 3 Series E30 (1984-1991)

Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module

T#:28570834

Part#: VKSB01-ECU-MODUL

Ships in 1 Business Day

Sale - Save 10% $ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD

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Qty

Sale - Save 10%

$ 399.00

This product was last offered at the strikethrough price on
06-30-2026

$ 359.10 USD

Add to Wish List

BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.

Seamless integration with Varex muffler system
Precise control over exhaust sound and performance
Easy installation process
Versatile functionality for enhanced driving experience

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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...

T#:21308444

Part#: UVM.63MM.X1

Ships in 5 Business Days

$ 399.99 USD

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$ 399.99 USD

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Unlock the true sound of your engine with the Valvetronic Designs universal valved muffler kit, a premium T304 stainless steel solution that offers the perfect balance between aggressive performance and neighborhood-friendly quiet at the push of a button.

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Valvetronic Designs Single Exhaust Tip - 4.0" - 1x1 Carbon Fiber ...

T#:23615490

Part#: VTD.TIP.SLVE.25.

Ships in 5 Business Days

$ 129.99 USD

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$ 129.99 USD

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The perfect cherry on top! Our selection of Valvetronic Designs Exhaust Tips gives your vehicle that perfect look, and with various styles and finishes, the customization is endless. Whether you're looking to upgrade your full system or add a set to your universal kit, these exhaust tips help ensure your vehicle looks as good as it sounds!

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