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Grade 5 Titanium • Center X-Pipe • True Motorsport Tone
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.
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.
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.
Signature Tips: Premium finishes that complement the 991 Turbo’s rear profile.
2014–2019 Porsche 911 (991) Turbo
2014–2019 Porsche 911 (991) Turbo S
Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details.
In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.
Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.
Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary.
If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h.
12 Months
All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.
* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com
