Unleash the full acoustic and emotional potential of your Porsche 991 GT3 or GT3 RS with the Valvetronic Valved Sport Exhaust System — a purpose-built upgrade engineered to elevate both sound quality and driving excitement. Porsche’s high-revving 3.8L and 4.0L flat-six engines are legendary, but the factory exhaust limits their highest-frequency tones. Valvetronic’s system unlocks the true motorsport character of these engines, delivering an exhilarating, F1-inspired scream without compromising cabin comfort.

Featuring full 2.5-inch mandrel-bent piping, a large stamped cross-section X-pipe, and extended loop sections, this system is meticulously engineered to amplify high-frequency resonance and produce an aggressive, race-bred exhaust note reminiscent of Porsche’s iconic RSR race cars. With the valves open, the system creates a raw, high-pitched wail with sharp crackles on overrun and the ability to shoot flames with appropriate tuning. When the valves close, the tone becomes quieter, smoother, and ideal for long-distance cruising — all while preserving a drone-free cabin experience.

For drivers seeking the ultimate sound transformation, pairing this system with free-flow headers unlocks the GT3’s full auditory potential. Fully bolt-on and track-inspired, this system is crafted for enthusiasts who refuse to compromise on tone, performance, or craftsmanship.

Key Features:

• Valvetronic valved exhaust system allows instant switching between aggressive and refined sound modes.
• RSR-inspired acoustics deliver a high-pitched, motorsport-grade tone.
• Full 2.5-inch mandrel-bent piping optimizes flow and performance.
• Enlarged stamped X-pipe enhances scavenging and increases exhaust efficiency.
• Extended loop sections boost high-frequency resonance and pitch.
• Flame-producing capability with appropriate tuning for dramatic visual effect.
• Engineered with no-drone technology for a comfortable cabin experience.

Fitment:

• 2014–2019 Porsche 991 GT3
• 2016–2019 Porsche 991 GT3 RS