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BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW F97 X3 M S58 3.0L

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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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AWE Valved SwitchPath Exhaust - Chrome Silver Or Diamond Black Tips -...

T#:47164986

Part#: AWEF97SP

In Stock

Starting at $ 2,665.00 USD

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Starting at $ 2,665.00 USD

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The SwitchPath Catback Exhaust for the F97 X3 M from AWE offers a perfectly balanced and tuned exhaust that will deliver power when needed without droning at cruising speeds. By replacing the factory muffler, you will uncover the pure sound of the S58 engine. This exhaust is perfect for those who want a more aggressive response when getting on the throttle, but don't want to wake up the neighbors. The SwitchPath™ Technology utilizes factory valving and the M-Sport button to adjust tone on the fly. Crafted from 3-inch, U.S.-sourced T304L stainless steel, the system features a valved SwitchPath™ muffler that seamlessly retains factory valve behavior—no harnesses or extensions needed. Minimal bends. Maximum flow. Push-button transformation. The SwitchPath Axleback is engineered to begin at the factory cut point, making it compatible with the stock mid-section or any aftermarket mid-pipe that respects the OEM cut point. AWE's optional Non-Resonated Performance Mid Pipes can be included to create a full cat-back exhaust system. When paired with the SwitchPath™ Axleback, the result is a deep, smooth soundtrack with no trace of rasp. The Non-Resonated Performance Mid Pipes are engineered to begin right behind the factory secondary catalysts, and they’re compatible with both the factory axleback and any system that aligns with the OEM cut point.

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

T#:580382

Part#: B8800066

Ships on Sep 1, 2026

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.

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

T#:580383

Part#: B8800067

Ships on Sep 1, 2026

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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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.

Bav Auto Exhaust Doughnut Stretcher

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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Akrapovic Slip-On Titanium Exhaust System - Requires Tips - F97/F98 X...

T#:597421

Part#: S-BM/T/10H

In Stock at Vendor

$ 4,621.99 USD

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$ 4,621.99 USD

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The engineers at Akrapovic have retained the dual-mode exhaust flap control from the original system. This allows the vehicle to have a more civilized, but deeper than stock sound at low speed. However, at higher RPM (or when selecting the S mode on the gearshift) the muffler is bypassed, creating a deep and sporty sound much more in keeping with the personality of the car.

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Evolution Racewerks Performance Downpipes - F97 X3M, F98 X4M ...

T#:599274

Part#: BM-EXH025

Ships in 8 Business Days

Starting at $ 1,195.00 USD

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Starting at $ 1,195.00 USD

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On a turbocharged vehicle, any restriction in the exhaust system reduces peak horsepower. By removing the factory catalytic converter, most of this restriction is removed gaining advantages in more than just peak horsepower. The factory downpipe, while excellent for maintaining strict emission regulations, does nothing to unlock the performance of a turbocharged engine. Due to an internal honeycomb structure that the exhaust gasses must pass through, flow is massively reduced. Additionally, this honeycomb causes turbulence after the converter which slows exhaust flow even further and causes more restriction. If you've ever tried to blow through a coffee straw, you know how your car feels. This not only limits how fast the turbo can spool or come up to speed but also how much air it can move in general. When the internal honeycomb structure is removed in favor of a straight and hollow piece, these issues are alleviated. Not only can the turbocharger come up to max rpm faster, is does this more efficiently and with less work since there is no back-pressure against the turbine wheel. Turbo lag becomes a thing of the past and because of this, the powerband shifts and massive top-end gains can be felt. Constructed out of 100% 304-grade stainless steel and fully mandrel bent, you can be sure that as much time has been put into construction as development. They are 100% TIG welded by in-house fabricators and built in the USA. The factory turbocharger turbine housing utilizes a V-Band flange which Evolution have duplicated and CNC machined cut out of billet 304 stainless steel. Stainless Steel CNC machined O2 sensor and laser cut brackets are TIG welded using stainless steel rods and the O2 sensor is positioned at the factory location.

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Akrapovic Sound Kit- F97/F98 X3M/X4M

T#:597424

Part#: P-HF1255

Back Ordered

$ 689.99 USD

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$ 689.99 USD

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The Akrapovic Sound Kit is a wireless exhaust valve control system that allows you full control over the valve system in your titanium Akrapovic exhaust. This enables you to open the exhaust valve when you want to turn as many heads as possible or keep it closed when your out for an easy Sunday drive.

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Akrapovic Rear Exhaust Tip Set - Carbon - F97

T#:8231329

Part#: TP-CT/59

In Stock at Vendor

$ 2,208.99 USD

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$ 2,208.99 USD

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The tailpipes are the most visible part of the exhaust system, and that’s why they dedicate particular attention to them at Akrapovič. In order to satisfy the most discriminating tastes, they’ve created handcrafted carbon fiber tail pipes. To make their tail pipes stand out from the rest even more, in addition to selecting the finest materials, they also made them larger. This gives you car an even more dynamic look.

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