SKU: 18611071584

MAD Catback Exhaust - BMW / B58 / G01 / G02 / X3 M40i / X4 M40i

Sale price$814.50 Regular price$905.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

MAD Catback Exhaust - BMW / B58 / G01 / G02 / X3 M40i / X4 M40iUnleash the Ultimate Sound and Performance Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System for your BMW X3 M40i (G01) and X4 M40i (G02) equipped with the B58 engine. Elevate Your Driving Experience Transform your BMW's exhaust note to a deep midrange sound that is both exhilarating and refined. The MAD Catback Exhaust delivers a rasp free, zero drone, and zero rattle experience, ensuring every drive is

Unleash the Ultimate Sound and Performance

Experience the perfect blend of sound, performance, and style with the MAD Catback Exhaust System for your BMW X3 M40i (G01) and X4 M40i (G02) equipped with the B58 engine.

Elevate Your Driving Experience

Transform your BMW's exhaust note to a deep midrange sound that is both exhilarating and refined. The MAD Catback Exhaust delivers a rasp-free, zero drone, and zero rattle experience, ensuring every drive is as enjoyable as possible.

Key Features

  • Deep Midrange Sound

    • Enjoy a rich, full-bodied exhaust tone that enhances your vehicle's sporty character without being overly aggressive.
  • Rasp-Free Performance

    • Engineered to eliminate unwanted raspiness, providing a clean and crisp exhaust note throughout the RPM range.
  • Zero Drone Technology

    • Designed with precision to prevent cabin drone at cruising speeds, ensuring a comfortable driving experience.
  • Zero Rattle Construction

    • High-quality materials and expert craftsmanship eliminate any potential rattles, giving you peace of mind.
  • Single Y-Midpipe Design

    • Utilizes a single Y-midpipe for the cleanest sound possible, optimizing exhaust flow and reducing turbulence.
  • Central Exhaust Layout

    • The central exhaust configuration enhances acoustics, delivering the best and cleanest sound with absolutely zero drone.
  • Dual Valve System

    • Replaces the stock single valve with a dual-valve setup for maximum flexibility:
      • Valves Closed: Achieve a conservative, subtle sound ideal for daily driving.
      • Valves Open: Unleash a more aggressive exhaust note for an exhilarating experience.
  • Consistent 70mm Piping

    • Features 70mm piping throughout to ensure the most even and balanced sound output.
  • 89mm Tip Outlets

    • Large 89mm exhaust tips enhance the visual appeal and are available in:
      • Brushed Stainless Steel
      • Matte Black
      • Carbon Fiber

Why Choose the MAD Catback Exhaust?

  • Enhanced Performance

    • Improved exhaust flow leads to better engine efficiency and potential horsepower gains.
  • Customized Sound Control

    • Switch between a subtle or aggressive exhaust note with the dual-valve system.
  • Quality Construction

    • Made from premium 304 stainless steel material for durability and longevity.
  • Easy Installation

    • Direct bolt-on replacement requires no cutting or welding.
  • Aesthetic Upgrade

    • The stylish exhaust tips provide a sleek, sporty look to your BMW's rear profile.

Compatibility

  • BMW X3 M40i (G01)
  • BMW X4 M40i (G02)
  • Engine: B58 Turbocharged Inline-6

Installation

  • Direct Bolt-On Fitment
    • Uses factory mounting points for a seamless installation process.
  • All Hardware Included
    • Comes with all necessary clamps, bolts, and gaskets.

Unleash Your BMW's True Potential

Upgrade to the MAD X3/X4 M40 Catback Exhaust System and experience a transformative difference in your vehicle's sound and performance. With its advanced design and premium features, this exhaust system is the ultimate choice for discerning BMW enthusiasts.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18611071584

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Lesley
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★★★★★ 5
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As a dog mom to two active pups, I’ve gone through a LOT of chew toys over the years and honestly, many of them just didn’t hold up. Some cracked, broke apart quickly, or became rough after only a short time of chewing. That’s why I was genuinely impressed with the MewaJump chew toy. Both of my dogs immediately loved it, and what stood out most to me was how durable it’s been compared to other toys we’ve tried. It’s held up really well with aggressive chewing while still seeming safe and comfortable for them to use. I also love that it keeps them entertained and engaged longer without constantly worrying about pieces breaking off. Definitely one of the better dog toys we’ve added to our home lately and Molly and Piper would agree.
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Reviewed in the United States on May 15, 2026
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THAILEI L SMITH
Lexington, US
★★★★★ 5
Not recommended for strong chewers.
Color: Green Cactus
There was nothing wrong with this. But my dog is an absolute destroyer. She makes it her personal mission to annihilate any toy I buy. This did not last 30 minutes. Very cute and good for normal dogs that like to actually have toys to play with. Do not recommend for strong jaw destroyers.
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Reviewed in the United States on June 8, 2026
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DianaZ
Los Angeles, US
★★★★★ 5
Fun and indestructible!
Color: Green Cactus
The dogs love this toy. And so far it’s been indestructible with constant playing and chewing
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Reviewed in the United States on June 5, 2026
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Lauren
Draper, US
★★★★★ 4
Durable for light to medium chewers - not heavy
Color: Green Cactus
obviously cute. not super durable - lasted a good minute but disintegrates fairly quickly and eventually nothing was left - having to high monitor with a big chewer. (10 mo Great Dane)
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Reviewed in the United States on April 4, 2026
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Amazon Customer
Waukegan, US
★★★★★ 5
Unbelievable toy for aggressive chewers
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Great toy for aggressive chewers! I'm not one to hand out 5 star reviews but this one I 100% believe in. I bought the first one in 2023 and just replaced it because it broke. Now this is not a played with every once in a while, this was played with daily as it is his favorite toy. Very few toys last long but this one has went beyond my expectations. Could not be happier.
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Reviewed in the United States on May 28, 2026

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