$595.00 USD
$595.00 USD






Introducing the Mad Catless F10 M5 Downpipes, the ultimate upgrade for your BMW F10 M5. These downpipes are meticulously designed and crafted to provide improved performance, sound, and aesthetics for your vehicle.
Constructed from high-quality stainless steel, these downpipes are built to last and withstand the rigors of high-performance driving. They are also designed to be a direct replacement for your OEM downpipes, making installation a breeze.
The Mad Catless F10 M5 Downpipes are engineered to improve exhaust flow, resulting in increased horsepower and torque gains. These downpipes also give your M5 a more aggressive exhaust note, with a deep and throaty tone that will turn heads on the street.
These downpipes feature a catless design, which eliminates the restrictive catalytic converters found in the OEM downpipes. This results in less back pressure and improved exhaust flow, leading to increased power and performance.
Upgrade your BMW F10 M5 with the Mad Catless F10 M5 Downpipes and experience the ultimate in performance, sound, and style.
Expect up to a 30HP increase on a tuned BMW S63 with stock turbos, even more on cars with upgraded turbos.
Features:
Fitment:
SKU:
MAD-033
Emissions Disclaimer:
This product is not legal for sale or use on pollution-controlled vehicles operated on public roads, highways, or streets. It is intended for off-road, race, or closed-course competition use only, where such modifications are permitted.
By purchasing this product, you acknowledge and agree that:
You are responsible for compliance with all applicable emissions laws and regulations.
MAD and its affiliates disclaim any liability for improper or unlawful use of this product.
Use of this part on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws.
Please check your local laws before purchase and installation.
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$595.00 USD
$595.00 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.