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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E46 M3 S54 (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.

Powerflex Rear Muffler Hanger - Street Version - E36 E46 E9X M3, E39 ...

T#:600480

Part#: EXH034

In Stock

$ 96.99 USD

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$ 96.99 USD

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BMW's original muffler hanger (part number 18201401797) works great at first but tends to fail over time, leading to sloppy exhaust movement and excessive noise. This failure is due to both heat and the heavy exhaust wearing down the hanger until it eventually tears, allowing the exhaust to shift around freely, banging off of nearby components. In order to address this common problem, Powerflex developed their own polyurethane rear muffler hanger that features a heavy-duty, yet lightweight, machined aluminum bracket. Polyurethane is significantly more resistant to the effects of heat and weight over time compared to rubber, meaning you can expect this exhaust hanger to last many times longer than your stock BMW hanger.

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Exhaust Manifold Gasket - Set Of Six

2X Entries Into Our F80 M3 Sweepstakes

T#:379470

Part#: 11627830667KT1

In Stock

$ 45.00 USD

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$ 45.00 USD

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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.

Elring Exhaust Gasket - S54

2X Entries Into Our F80 M3 Sweepstakes

T#:384318

Part#: 18307830674

In Stock

$ 13.99

This product was last offered at the strikethrough price on
08-03-2026

$ 12.99 USD

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$ 12.99 USD

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Located between the downpipes and the center section of the exhaust. This seals off the connection between the exhaust pipes.

Fits the following BMW engines:
S54 3.2L

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Elring Exhaust Manifold Gasket - S54 3.2L

2X Entries Into Our F80 M3 Sweepstakes

T#:341254

Part#: 11627830667

In Stock

$ 7.50 USD

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$ 7.50 USD

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This seals the exhaust manifold to the head. We recommend replacing this any time the exhaust manifold needs to be removed.

Fits the following BMW eninges:
S54 3.2L

Scorpion Center replacement - E46 M3

T#:584760

Part#: SBMR050

Ships in 2 Business Days

$ 831.99 USD

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$ 831.99 USD

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

Elring Gasket Ring - E46 M3, Z4 M, E9X M3

2X Entries Into Our F80 M3 Sweepstakes

T#:45517825

Part#: 738.320

Ships in 9 Business Days

$ 12.99 USD

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$ 12.99 USD

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This exhaust gasket ring seals the exhaust headers to the midpipe. This should be replaced every time the exhaust is disassembled. Replaces BMW # 11627830668

Elring EGR Valve Gasket - BMW E31, E34, E36, E38, E39, E46, E52, E53,...

2X Entries Into Our F80 M3 Sweepstakes

T#:45517835

Part#: 074.440

Special Order: No Guaranteed ETA

$ 7.99 USD

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$ 7.99 USD

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Seals the EGR valve to the exhaust Replaces BMW # 11727505259

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