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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW 3 Series E46 (1999-2005)

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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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Scorpion Cat-Back Exhaust System - E46 M3

T#:584773

Part#: SBM050

Ships in 2 Business Days

$ 1,630.99 USD

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$ 1,630.99 USD

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This cat back system from Scorpion features larger diameter piping for a freer flowing exhaust pathway.

Bav Auto Oxygen Sensor Tool - Angled Handle - 7/8"

10X Entries Into Our F80 M3 Sweepstakes

T#:580382

Part#: B8800066

In Stock

Sale - Save 25% $ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Sale - Save 25%

$ 49.99

This product was last offered at the strikethrough price on
05-03-2026

$ 37.49 USD

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Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions. Fits all Oxygen sensors with 7/8in (22mm) hex.

Scorpion Rear Muffler - E46 323/328

T#:584235

Part#: SBMB052

Ships in 2 Business Days

$ 512.99 USD

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$ 512.99 USD

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This rear muffler from Scorpion features larger diameter piping for a freer flowing exhaust pathway.

Scorpion Rear Muffler - E46 320/325/330

T#:584785

Part#: SBMB048

Ships in 1 Business Day

$ 569.99 USD

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$ 569.99 USD

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Provides a louder tone while still remaining civilized.

Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...

10X Entries Into Our F80 M3 Sweepstakes

T#:580383

Part#: B8800067

In Stock

Sale - Save 20% $ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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Qty

Sale - Save 20%

$ 29.99

This product was last offered at the strikethrough price on
05-03-2026

$ 23.99 USD

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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

Rear Muffler - E46 M3

T#:584777

Part#: SBMB050

Ships in 2 Business Days

$ 1,171.99 USD

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$ 1,171.99 USD

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Provides a louder tone while still remaining civilized.

Bav Auto Exhaust Doughnut Stretcher

10X Entries Into Our F80 M3 Sweepstakes

T#:580373

Part#: B8800051

In Stock

Sale - Save 25% $ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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Qty

Sale - Save 25%

$ 20.99

This product was last offered at the strikethrough price on
05-03-2026

$ 15.74 USD

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This tool is not vehicle specific and is a universal tool that may or may not work on all applications. This exhaust doughnut stretcher features an offset J-hook to grab onto the rubber rings used to mount most BMW exhaust systems. Features a large coated handle for a comfortable grip.

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Scorpion Center replacement - E46 M3

T#:584760

Part#: SBMR050

Special Order: No Guaranteed ETA

$ 831.99

This product was last offered at the strikethrough price on
09-21-2026

$ 555.99 USD

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$ 555.99 USD

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Increase power and sound with this cat back system from Scorpion.

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