BMW Mufflers for BMW I12 i8 B38 1.5L

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Is your muffler old and crusty? If you need to replace your muffler, we have you covered with several different options for your BMW.
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Universal Magnaflow Muffler
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Magnaflow - Corporate Logo
T#:371600
Part#: 14851
In Stock at Vendor
$ 269.00 USD
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$ 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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BMW Universal Muffler with Tips - Street Series; Piping: 2.25in.; Muf...
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Magnaflow - Corporate Logo
T#:20155636
Part#: 14816
In Stock
$ 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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Universal Magnaflow Muffler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Magnaflow - Corporate Logo
T#:370934
Part#: 14211
In Stock
$ 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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Universal Muffler - Priced Each
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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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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149961
Part#: UVM.89MM.X1
Ships in 1 Business Day
New Item
$ 399.99 USD
Free Shipping
$ 399.99 USD
Free Shipping
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 Universal Valved Muffler Kit - Single Inlet / Dua...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149954
Part#: UVM63MMDUALOUTX2
Ships in 1 Business Day
New Item
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
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 Universal Valved Muffler Kit - Single Inlet / Dua...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149957
Part#: UVM76MMDUALOUTX1
Ships in 1 Business Day
New Item
$ 399.99 USD
Free Shipping
$ 399.99 USD
Free Shipping
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 Universal Valved Muffler Kit - Single Inlet / Dua...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149953
Part#: UVM63MMDUALOUTX1
Ships in 1 Business Day
New Item
$ 399.99 USD
Free Shipping
$ 399.99 USD
Free Shipping
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.
Show More Show Less

Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Dua...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149958
Part#: UVM76MMDUALOUTX2
Ships in 1 Business Day
New Item
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
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.
Show More Show Less

Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149956
Part#: UVM.63MM.X2
Ships in 1 Business Day
New Item
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
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 Universal T-Style Valved Muffler Kit - Single Inl...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149963
Part#: UVM76MMTSTYLEX1
Ships in 1 Business Day
New Item
$ 499.99 USD
Free Shipping
$ 499.99 USD
Free Shipping
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.
Show More Show Less
Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149962
Part#: UVM.89MM.X2
Ships in 1-2 days
New Item
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
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 Universal T-Style Valved Muffler Kit - Single Inl...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149955
Part#: UVM63MMTSTYLEX1
Ships in 1 Business Day
New Item
$ 499.99 USD
Free Shipping
$ 499.99 USD
Free Shipping
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.
Show More Show Less
Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:21308444
Part#: UVM.63MM.X1
Ships in 5 Business Days
$ 399.99 USD
Free Shipping on orders $49 and up
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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Genuine BMW Rear Muffler With Exhaust Flap - I12 i8
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Genuine BMW - Corporate Logo
T#:201114
Part#: 18308608167
Ships in 7 Business Days
10% off MSRP $ 3,112.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,811.99 USD
10% off MSRP
$ 3,112.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,811.99 USD
Replace your missing or damaged Genuine BMW muffler to restore the great OE factory exhaust note.

Cat-Back Valved Rear Muffler
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Milltek Sport - Corporate Logo
T#:35390995
Part#: SSXBM1241
Special Order: No Guaranteed ETA
Sale - Save 10% $ 1,692.99

This product was last offered at the strikethrough price on
07-01-2026

$ 1,523.47 USD
Sale - Save 10%
$ 1,692.99

This product was last offered at the strikethrough price on
07-01-2026

$ 1,523.47 USD
The Milltek muffler for the BMW i8 is a premium exhaust upgrade designed to enhance the hybrid supercar's innovative design. Built from high-quality 304L stainless steel, it offers exceptional durability and resistance to challenging conditions. This muffler is engineered to enrich the i8’s exhaust sound, producing a deeper, more assertive tone that complements its sporty nature while remaining compatible with its environmentally conscious design. With a precise fitment for effortless installation, the Milltek muffler seamlessly replaces the stock component. It is meticulously crafted to elevate both the acoustic profile and visual appeal of the vehicle, delivering a more engaging driving experience without sacrificing the car’s refined character or functionality. Whether navigating urban streets or tackling winding roads, the Milltek muffler enhances the BMW i8’s sound and performance, leaving a lasting impression.
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Active Sound Control - V2 For OE Generator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Milltek Sport - Corporate Logo
T#:35390997
Part#: SSXBM1151
Special Order: No Guaranteed ETA
Sale - Save 10% $ 1,347.99

This product was last offered at the strikethrough price on
07-01-2026

$ 1,212.42 USD
Free Shipping on orders $49 and up
Sale - Save 10%
$ 1,347.99

This product was last offered at the strikethrough price on
07-01-2026

$ 1,212.42 USD
Free Shipping on orders $49 and up
The Active Sound Unit (ASU) from Milltek Sport is an innovative system that enables users to tailor the exhaust sound of vehicles often lacking the desired auditory character. Ideal for hybrids, EVs, and diesels, the ASU transforms the driving experience by delivering a powerful and customizable sound profile to traditionally quieter engines. Featuring 11 selectable sound profiles, the ASU allows users to adjust volume, pitch, and tone to create a personalized exhaust note. These settings are easily managed via Milltek's user-friendly app, compatible with both iPhone and Android devices, providing effortless control and a fully customizable sound experience.
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Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149959
Part#: UVM.76MM.X1
Ships in 1 Business Day
New Item
$ 399.99 USD
Free Shipping
$ 399.99 USD
Free Shipping
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.
Show More Show Less

Valvetronic Designs Universal Valved Muffler Kit - Single Inlet / Sin...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valvetronic Designs - Corporate Logo
T#:53149960
Part#: UVM.76MM.X2
Ships in 1 Business Day
New Item
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
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.
Show More Show Less