$595.00 USD
$595.00 USD












Enhance your BMW's performance and exhaust tone with the MAD M3 M4 G80 G82 S58 Secondary Cat Delete Pipes. These precision-engineered pipes are designed to replace your factory secondary catalytic converters, removing exhaust flow restrictions that can hinder power and turbo performance. By improving exhaust flow and reducing back pressure, these pipes help increase turbo spool time and provide a more aggressive, sportier exhaust sound.
Crafted from premium T304 stainless steel, these pipes feature mandrel bends to ensure optimal durability and consistent exhaust flow. Precision TIG welding guarantees long-lasting performance, while the slip-on design ensures a straightforward installation process that requires no special tools. Heavy-duty stainless steel clamps are included to ensure a secure and reliable fitment.
Key Features:
Elevate your BMW’s performance and sound with the MAD Secondary Cat Delete Pipes, expertly engineered to give you a noticeable boost in power and exhaust tone.
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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.