$595.00 USD
$595.00 USD




















The BMW G05 X5 and G06 X6 V8 models deliver exceptional performance from the factory—but with the Valvetronic Designs Valved Exhaust System, they become something extraordinary. Designed specifically for the N63 and S68-powered SUVs, this system maximizes flow dynamics, improves throttle response, and delivers an auditory experience that’s as bold and powerful as the vehicles themselves.
Our electronically controlled valve system puts you in command of your exhaust note:
Valves Closed: Quiet, refined, and perfect for early mornings or long highway drives.
Valves Open: A deep, aggressive roar with rich V8 character—engineered to excite at every RPM.
This flexibility means you can enjoy the best of both worlds: daily comfort when you want it, and uncompromising performance when the track calls.
T304 stainless steel construction for maximum durability and corrosion resistance.
Precision TIG welds for exceptional strength and flawless finish.
OEM-style fitment for seamless installation using factory mounting points.
Drone-free design to maintain cabin comfort even at highway speeds.
Custom-tuned for the N63 & S68 V8 – Enhanced performance and sound.
Electronic valve control – Operated via standalone controller.
Fully mandrel-bent tubing – Optimized for maximum exhaust flow.
100% reversible – Always able to return to stock configuration.
BMW G05 X5 M50i (2020+)
BMW G06 X6 M50i (2020+)
BMW G05 X5 M60i (2024+)
BMW G06 X6 M60i (2024+)
With the Valvetronic Designs Valved Stainless Steel Exhaust System, your BMW X5/X6 becomes more than just an SUV—it becomes a statement of power, precision, and passion.
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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.