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 polished, high-frequency character throughout the rev range.

Performance & Engineering

• CFD-Validated Manifolds: Optimized runner geometry improves pulse energy, response, and tone.

• Grade 5 Titanium Construction: Extreme strength-to-weight with superior heat resistance.

• Vacuum-Actuated Valves: Instant, reliable control of volume and character.

• Precision TIG Welds: Hand-finished for durability and a showpiece finish.

• Weight Savings: 9.5 lb lighter than the factory system.

• 100% Reversible: Bolt-on design—return to stock anytime.

Visual Details

• Signature Tips: Premium finishes that complement the 991 Turbo’s rear profile.

Fitment

• 2014–2019 Porsche 911 (991) Turbo

• 2014–2019 Porsche 911 (991) Turbo S

Valvetronic Designs shipping & returns

• Returns: new, unused and uninstalled parts within 30 days of purchase, in the original packaging, with a return authorization (RMA) number issued first.
• Restocking fee: 25% on all non-warranty returns; the customer pays return shipping unless the part qualifies for warranty.
• Sound: exhaust sound and tone are personal taste and are not grounds for a return or warranty claim.
• Warranty: lifetime on stainless and titanium tubes and welds, 3 years on mufflers and resonators, 1 year on valves, remotes, electronics and tips. If a problem shows up after install, contact us before removing the part.

To start a return or ask a question, contact us with your order number.