$476.00 USD
$476.00 USD
























































The BMW M8 is a powerhouse, but from the factory, its sound doesn’t quite match its performance. At Valvetronic Designs, we’ve engineered a Titanium Valved Exhaust System to change that—delivering a sound experience worthy of the M8’s incredible capabilities.
Crafted from our signature lightweight Grade 5 Titanium, this system runs a full 3-inch diameter from inlet to outlet for maximum flow. A large cross-section X-pipe is strategically placed to optimize exhaust scavenging, increasing performance while creating an aggressive yet refined tone.
This system integrates electronically controlled exhaust valves that can be tied directly into the M8’s ECU for OEM-style operation through Sport and Sport+ modes, or configured with our standalone controller for full manual control—regardless of drive mode.
Valves Open: Unrestricted, race-inspired tone with aggressive overrun and exotic character.
Valves Closed: Quiet, composed, and comfortable for daily driving.
2019–2023 BMW M8 Gran Coupe (F93)
2019–2023 BMW M8 Coupe (F91)
2019–2023 BMW M8 Convertible (F92)
Constructed from signature Grade 5 Titanium for extreme strength and weight savings
Large cross-section X-pipe for maximum exhaust scavenging and performance gains
Your choice of bespoke sleeved exhaust tips in multiple finishes
Electronic exhaust valves with standalone remote or factory integration
56.5 lbs lighter than the factory exhaust
Precision TIG welds for exceptional durability
100% reversible—can return to stock at any time
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$476.00 USD
$476.00 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.