$476.00 USD
$476.00 USD






















Upgrade the sound of your BMW M3 and M4 with the MAD BMW G8x M3 M4 Single Midpipe. By replacing your stock midpipe, this high-performance exhaust component allows you to eliminate back pressure and unleash the deepest tone for your vehicle. Say goodbye to unwanted rasp and drone, and experience a captivating and refined sound.
Crafted specifically for the BMW G80 M3 and G82/G83 M4 models, the MAD S58 single midpipe ensures a perfect fitment without any modifications. To make your installation process hassle-free, we include an exhaust brace with every midpipe, guaranteeing spot-on fitment and peace of mind.
Our single midpipe features smooth bends that maximize airflow, providing optimal performance gains without introducing any drone. Additionally, we stand behind the quality of our product by offering a lifetime warranty against defects and fitment issues.
Ordering from us is convenient and efficient. With all orders shipping within 1-2 business days, you can quickly get your hands on this exceptional midpipe and enjoy its benefits right away. Furthermore, we provide a 90-day return period, allowing you to make sure this upgrade exceeds your expectations.
Experience the perfect combination of enhanced sound, improved performance, and hassle-free installation with the MAD BMW G8x M3 M4 Single Midpipe. Upgrade your BMW M3 and M4 today and unlock the true potential of your exhaust system.
Fitment:
2021+ BMW G80 M3
2021+ BMW G82 M4
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$476.00 USD
$476.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.