Valvetronic Valved Race Exhaust System for Porsche 911 Turbo 991.1 / 991.2

Porsche 991 Turbo / Turbo S – Titanium Valved Exhaust System Grade 5 Titanium • Center X-Pipe • True Motorsport Tone Overview The 991 Turbo is the benchmark for all-around performance—but like every turbocharged Porsche, the stock soundtrack falls short. Valvetronic Designs fixes that at the source. Our system starts with CAD-designed, CFD-tested exhaust manifolds to sharpen pulse timing and raise pitch for a cleaner, more motorsport-inspired note. Downstream, a valved titanium rear section delivers dual personalities on demand—raw and unfiltered when you want it, refined and comfortable when you need it. Sound Dynamics Valves Open: After the turbos, gases travel straight ~13 inches to atmosphere for an uncorrupted, razor-edged Porsche wail—crisp up top with aggressive shift pops. Valves Closed: Flow is routed through two quad-chambered mufflers for a substantial drop in volume and a calm cabin demeanor. Center X-Pipe: Smooths pulse interaction, kills drone, and adds a polishe