$595.00 USD
$595.00 USD












































The S85 V10 is one of BMW’s most celebrated engines, renowned for its exotic character and F1-inspired wail. The Valvetronic Designs Valved Exhaust System was engineered to elevate that experience, offering unrivaled control over tone and volume while enhancing performance.
With valves closed, the system delivers a refined, mellow note perfect for cruising. Open the valves, and the exhaust roars to life—unleashing the raw, high-pitched fury the E60 M5 is famous for.
Designed for the S85 V10: Optimized to highlight the engine’s naturally high-revving V10 character and signature sound.
Large Center Merge Section: Reduces turbulence and improves scavenging for a richer, more balanced tone.
Vacuum-Operated Valves: Switch seamlessly between subdued refinement and full-throttle aggression.
Valves Closed: Smooth, mellow tone ideal for urban driving or long-distance cruising.
Valves Open: Aggressive, high-pitched wail with pronounced motorsport character.
On-Demand Flexibility: Total sound control at the touch of a button.
Material: Premium T304 stainless steel for strength, durability, and corrosion resistance.
Craftsmanship: Precision TIG welds and smooth mandrel bends for maximum flow and performance.
Design: Engineered for perfect fitment and seamless integration into the E60 M5 chassis.
2005–2010 BMW E60 M5
Direct bolt-on installation with no permanent modifications required.
100% reversible—return to stock at any time.
T304 stainless steel valved exhaust system
Vacuum-actuated valves with control hardware
All necessary clamps and installation hardware
Material: T304 stainless steel
Valves: Vacuum-actuated for rapid response
Design: Large center merge section for flow efficiency and tonal balance
Finish: Brushed stainless steel
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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.