BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW G42 M240i xDrive B58 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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Magnaflow - Corporate Logo
T#:371600
Part#: 14851
Ships in 1 Business Day
$ 269.00 USD
Free Shipping
$ 269.00 USD
Free Shipping

Enhance your BMW's exhaust system with the all-new Magnaflow Universal Muffler, available at an exceptionally affordable price point. Say goodbye to noisy and inefficient mufflers with this high-performance solution.

The Race Series muffler is meticulously designed for uncompromising performance, delivering an aggressive racecar-inspired sound. Its genuine straight-through design ensures the utmost high RPM power, while the 2.5" or 3" perforated core effectively eliminates backpressure, optimizing exhaust flow.

This muffler stands as the ideal choice for dedicated racers, turbocharged engines, nitrous oxide fuel systems, or vehicles equipped with wild cam applications. It boasts a 2.25" inlet, a 24" overall length, and a 4" diameter round, angle-cut tip.

Kindly note that this muffler is of universal fit for rear exhaust and may necessitate welding or fabrication for installation, as it is not a direct bolt-on component for any specific vehicle.

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Magnaflow - Corporate Logo
T#:20155636
Part#: 14816
Ships in 1 Business Day
$ 358.00 USD
Free Shipping on orders $49 and up

Enhance Your BMW with the Magnaflow Universal Muffler

Looking for an affordable way to replace your BMW's muffler and transform its exhaust note? Your search ends here! The brand-new Magnaflow Universal Muffler is your budget-friendly solution, designed to elevate your BMW's sound and style.

Key Features:

  • Budget-Friendly: The Magnaflow Universal Muffler is the go-to choice for budget-conscious BMW owners seeking an economical way to enhance their vehicle's sound.
  • Enhanced Sound: This muffler delivers an improved exhaust note, creating a deeper, more attractive tone that will make your BMW stand out from the crowd.
  • Universal Fit: With its universal fit, it is compatible with a range of BMW models, ensuring a seamless installation process.
  • Quality Construction: Crafted from durable materials, this muffler is built to last, providing long-term performance and value.
  • Turner Motorsport Approved: Endorsed by Turner Motorsport, a renowned name in the BMW community, you can trust this muffler to meet your expectations for quality and performance.

Say goodbye to that noisy ride and give your BMW the sound it deserves with the Magnaflow Universal Muffler. Upgrade today!

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Magnaflow - Corporate Logo
T#:370934
Part#: 14211
Ships in 1 Business Day
$ 174.00 USD
Free Shipping
$ 174.00 USD
Free Shipping

Upgrade your vehicle's muffler affordably with the Magnaflow Universal Muffler, providing a solution to loud exhausts without breaking the bank. Crafted from 100% stainless steel, these mufflers are built to endure extreme conditions, ensuring durability and reliability.

Key Benefits:

  • 100% stainless steel construction for robustness
  • Lap-joint welding ensures solid build quality
  • Free-flowing, straight-through design for enhanced performance
  • Stainless mesh wrap and acoustical fiber fill deliver a smooth, deep tone
  • Packed tightly for long-lasting performance without sound degradation

Features:

  • 2.5'' Inlet and Outlet
  • 14'' body length
  • 20'' overall length
  • May require welding/fabricating for fitting; not a direct fit for any specific car model
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Magnaflow - Corporate Logo
T#:26005252
Part#: 13215
In Stock
$ 150.00 USD
Free Shipping on orders $49 and up
Upgrade your BMW's performance with MagnaFlow XL Mufflers, engineered to enhance horsepower while reducing unwanted resonance. The innovative design features large diameter perforated tubing and strategically placed sound baffles, creating a balanced sound profile. These mufflers utilize calibrated tuning gate openings to tune sound waves, effectively canceling out harsher noises. With stainless steel construction and a multi-chamber design, they offer optimal performance and a distinct exhaust sound.
  • Stainless steel construction
  • Multi-chamber design for increased performance
  • Chambered muffler performance sound
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Active Autowerke - Corporate Logo
T#:51285638
Part#: 11-125B
Ships in 3 Business Days
New Item
$ 1,956.00 USD
Free Shipping
$ 1,956.00 USD
Free Shipping
For over 40 years, Active Autowerke has been at the forefront of BMW performance, and the G4X M240i axle-back exhaust represents the pinnacle of that development. This system is constructed entirely from TIG-welded 304 stainless steel, offering maximum resistance to corrosion and heat cycles. Unlike universal systems, this exhaust is engineered specifically for the G42 chassis, ensuring that every hanger and flange aligns perfectly. By retaining the factory valve control, this exhaust offers a "no-compromise" solution: it stays quiet and sophisticated when you need it, but opens up for maximum volume and performance when you want it. Each kit is a comprehensive package, providing all hardware required to transform your M240i’s rear section. Key Features: Surgical Precision: Every unit is test-fitted on a dedicated fixture to ensure zero-clearance issues with the chassis or diffuser. Premium Materials: Full 304 Stainless Steel construction ensures a lifetime of performance. OEM Integration: No need for extra wiring or controllers; works seamlessly with your car's computer. Aggressive Rear Stance: Fills the rear bumper cutouts more effectively than the stock rectangular tips. Performance Gains: Improved exhaust scavenging contributes to a more responsive B58 engine. Specifications: Type: Valved Rear Axle-back Exhaust Section SKU: 11-125 Finish: Brushed Stainless (Standard) Hardware: Includes all high-grade connecting hardware Vehicle Fitment: * 2022+ BMW M240i / M240i xDrive (G42 Chassis) Custom Options: Available in multiple tip finishes to match your specific trim package
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Active Autowerke - Corporate Logo
T#:51285636
Part#: 11-125
Ships in 3 Business Days
New Item
$ 1,899.00 USD
Free Shipping
$ 1,899.00 USD
Free Shipping
For over 40 years, Active Autowerke has been at the forefront of BMW performance, and the G4X M240i axle-back exhaust represents the pinnacle of that development. This system is constructed entirely from TIG-welded 304 stainless steel, offering maximum resistance to corrosion and heat cycles. Unlike universal systems, this exhaust is engineered specifically for the G42 chassis, ensuring that every hanger and flange aligns perfectly. By retaining the factory valve control, this exhaust offers a "no-compromise" solution: it stays quiet and sophisticated when you need it, but opens up for maximum volume and performance when you want it. Each kit is a comprehensive package, providing all hardware required to transform your M240i’s rear section. Key Features: Surgical Precision: Every unit is test-fitted on a dedicated fixture to ensure zero-clearance issues with the chassis or diffuser. Premium Materials: Full 304 Stainless Steel construction ensures a lifetime of performance. OEM Integration: No need for extra wiring or controllers; works seamlessly with your car's computer. Aggressive Rear Stance: Fills the rear bumper cutouts more effectively than the stock rectangular tips. Performance Gains: Improved exhaust scavenging contributes to a more responsive B58 engine. Specifications: Type: Valved Rear Axle-back Exhaust Section SKU: 11-125 Finish: Brushed Stainless (Standard) Hardware: Includes all high-grade connecting hardware Vehicle Fitment: * 2022+ BMW M240i / M240i xDrive (G42 Chassis) Custom Options: Available in multiple tip finishes to match your specific trim package
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Active Autowerke - Corporate Logo
T#:51285642
Part#: 11-125C
Ships in 3 Business Days
New Item
$ 2,374.00 USD
Free Shipping
$ 2,374.00 USD
Free Shipping
For over 40 years, Active Autowerke has been at the forefront of BMW performance, and the G4X M240i axle-back exhaust represents the pinnacle of that development. This system is constructed entirely from TIG-welded 304 stainless steel, offering maximum resistance to corrosion and heat cycles. Unlike universal systems, this exhaust is engineered specifically for the G42 chassis, ensuring that every hanger and flange aligns perfectly. By retaining the factory valve control, this exhaust offers a "no-compromise" solution: it stays quiet and sophisticated when you need it, but opens up for maximum volume and performance when you want it. Each kit is a comprehensive package, providing all hardware required to transform your M240i’s rear section. Key Features: Surgical Precision: Every unit is test-fitted on a dedicated fixture to ensure zero-clearance issues with the chassis or diffuser. Premium Materials: Full 304 Stainless Steel construction ensures a lifetime of performance. OEM Integration: No need for extra wiring or controllers; works seamlessly with your car's computer. Aggressive Rear Stance: Fills the rear bumper cutouts more effectively than the stock rectangular tips. Performance Gains: Improved exhaust scavenging contributes to a more responsive B58 engine. Specifications: Type: Valved Rear Axle-back Exhaust Section SKU: 11-125 Finish: Brushed Stainless (Standard) Hardware: Includes all high-grade connecting hardware Vehicle Fitment: * 2022+ BMW M240i / M240i xDrive (G42 Chassis) Custom Options: Available in multiple tip finishes to match your specific trim package
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Active Autowerke - Corporate Logo
T#:51285645
Part#: 11-125CB
Ships in 3 Business Days
New Item
$ 2,469.00 USD
Free Shipping
$ 2,469.00 USD
Free Shipping
For over 40 years, Active Autowerke has been at the forefront of BMW performance, and the G4X M240i axle-back exhaust represents the pinnacle of that development. This system is constructed entirely from TIG-welded 304 stainless steel, offering maximum resistance to corrosion and heat cycles. Unlike universal systems, this exhaust is engineered specifically for the G42 chassis, ensuring that every hanger and flange aligns perfectly. By retaining the factory valve control, this exhaust offers a "no-compromise" solution: it stays quiet and sophisticated when you need it, but opens up for maximum volume and performance when you want it. Each kit is a comprehensive package, providing all hardware required to transform your M240i’s rear section. Key Features: Surgical Precision: Every unit is test-fitted on a dedicated fixture to ensure zero-clearance issues with the chassis or diffuser. Premium Materials: Full 304 Stainless Steel construction ensures a lifetime of performance. OEM Integration: No need for extra wiring or controllers; works seamlessly with your car's computer. Aggressive Rear Stance: Fills the rear bumper cutouts more effectively than the stock rectangular tips. Performance Gains: Improved exhaust scavenging contributes to a more responsive B58 engine. Specifications: Type: Valved Rear Axle-back Exhaust Section SKU: 11-125 Finish: Brushed Stainless (Standard) Hardware: Includes all high-grade connecting hardware Vehicle Fitment: * 2022+ BMW M240i / M240i xDrive (G42 Chassis) Custom Options: Available in multiple tip finishes to match your specific trim package
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