$595.00 USD
$595.00 USD






Introducing the MAD F90 M5 Primary Downpipes, the ultimate upgrade for your BMW F90 M5. These high-performance downpipes are designed to unleash the full potential of your engine, delivering increased power and torque throughout the RPM range.
Crafted from premium-quality T304 stainless steel, these downpipes are built to last. They are mandrel-bent for maximum flow and feature smooth, non-restrictive transitions that minimize turbulence and improve exhaust gas flow. The result is a noticeable increase in power and torque, along with a more aggressive exhaust note that will turn heads on the street and at the track.
Installation is easy and straightforward, with no cutting or welding required. The MAD F90 M5 Primary Downpipes are designed to bolt directly onto your BMW F90 M5's factory exhaust system, and they come complete with all necessary hardware and gaskets for a hassle-free installation.
So if you're looking to take your BMW F90 M5 to the next level, the MAD F90 M5 Primary Downpipes are the perfect upgrade. Don't settle for a stock exhaust system – unleash the full potential of your engine with these high-performance downpipes.
Features:
Fitment:
Note for Euro 2021+ LCI Vehicles:
Before ordering, please check which downpipe style your vehicle has. Our MAD downpipes do fit vehicles equipped with OPF filters, but it's important to confirm fitment.
Please ensure your current downpipes have a V-band slip style connection, not a flange/2-bolt design. This will help ensure proper compatibility.
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.