The BMW i8 is a groundbreaking hybrid supercar with futuristic design and advanced engineering, but the factory exhaust leaves much of its character hidden. Valvetronic Designs unlocks the true potential of the i8’s turbocharged three-cylinder engine with a complete exhaust system engineered to deliver a deeper, more aggressive tone while preserving the car’s OEM functionality and day-to-day drivability.

This system features a free-flow front section paired with a valved cat-back that integrates seamlessly with the factory electronic valve control. In Eco mode, the valves remain closed, keeping the sound quiet and refined for comfort and stealth. Switch to Sport mode, and the valves open to unleash a dramatically more aggressive exhaust note—bringing out the raw personality the i8 was missing from the factory.

Using full 3.0-inch piping, the system transforms both the exterior presence and in-cabin emotion. Drivers will enjoy a deep, throaty sound with sharp shift pops and exciting overrun acoustics when lifting off the throttle. The resulting tone is crisp, bold, and truly shocking to those who expect silence from the i8—perfectly matching its exotic looks with an equally exotic sound.

Crafted with precision TIG welding throughout, this system ensures durability, reliability, and high performance under all conditions. It’s also fully reversible, allowing for a simple return to stock whenever needed.

Whether you're carving through back roads or enjoying the i8’s electric-assisted acceleration, this Valvetronic exhaust system delivers the emotion, excitement, and sound the BMW i8 always deserved.

Key Features:

• Free-flow front section enhances performance and sound
• Valved cat-back system integrates with factory electronic valve controls
• Full 3.0-inch piping provides deep, raw, and aggressive sound
• Sport mode opens valves for maximum tone; Eco mode keeps sound quiet
• Precision TIG welds ensure strength and long-term reliability
• 100% reversible design for easy return to stock

Fitment:

• BMW i8 (2014–2020)