$595.00 USD
$595.00 USD












RVNG 6” Gen 3 B58 Downpipe – The Largest on the Market
Unleash the full potential of your Gen 3 B58-powered BMW with the RVNG 6” Catless Downpipe — Designed specifically for the latest generation B58TU2 motor.
Crafted from premium TIG-welded ss304 stainless steel and engineered for maximum flow, this 6” monster outflows every other downpipe on the market. With zero compromises in fitment, our design ensures improved turbo response, reduced backpressure, and the raw, aggressive sound your B58 was meant to deliver.
Whether you’re chasing HIGH HP or just want a few bolt ons RVNG’s 6” downpipe gives you the airflow advantage no one else can.
Key Features:
Note: For off-road use only. Tune required to avoid CEL but not required to run safely
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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.