Valvetronic Designs 2012-2016 Porsche 991.1 Carrera / S / GTS Valved Sport Exhaust System
or as low as $299.92/mo with Affirm
Available
Sound & Video
Sound & Control
Valves Open
Valves open, the 991.1 Carrera comes alive with a rich, F1-inspired flat-six note that fills the cabin with the pure, naturally aspirated harmonics Porsche enthusiasts cherish. The large center X-pipe eliminates harsh frequencies while amplifying the high-pitched character that defines atmospheric flat-six engines — crisp, engaging, and progressively louder as the tachometer sweeps upward.
Valves Closed
With valves closed, the 991.1 returns to a state of refined silence with minimal cabin intrusion and no measurable drone at cruising speeds. Daily commutes, highway trips, and parking structure exits remain completely civilized, preserving the 991.1's reputation as a capable everyday sports car that happens to hide a motorsport voice.
Construction & Engineering
- Material: Anodized Gold T304 Stainless Steel or Blue Burnt Titanium
- Weight Savings: 21.8 lbs lighter than factory (stainless)
- Center Section: Large center X-pipe
- Valve System: Vacuum exhaust valves with included controller
- Fabrication: Fully mandrel bent for maximum flow
- Reversibility: 100% bolt-on, fully reversible to stock
Specifications
Fitment
| Year | Make | Model | Variant |
|---|---|---|---|
| 2012–2016 | Porsche | 911 Carrera | 991.1 |
| 2012–2016 | Porsche | 911 Carrera S | 991.1 |
| 2012–2016 | Porsche | 911 Carrera 4S | 991.1 |
| 2012–2016 | Porsche | 911 GTS | 991.1 |
| 2014–2016 | Porsche | 911 Targa 4 / 4S / GTS | 991.1 |
Installation
What’s Included
- Valvetronic Designs valved sport exhaust rear section
- Large center X-pipe
- Vacuum exhaust valve assemblies
- Electronic valve controller
- All required gaskets, clamps, and mounting hardware
- Installation instructions
VALVETRONIC DESIGNS
Valvetronic Designs Valved Sport Exhaust System for Porsche 991.1 Carrera / S / GTS
The Last Naturally Aspirated 911 Carrera Deserves a Voice Without Limits
The 991.1 Carrera holds a special place in Porsche history as the final generation of naturally aspirated 911 Carrera models — powered by 3.4-liter and 3.8-liter flat-six engines that deliver the linear, progressive power delivery that defined decades of 911 ownership. In an era now dominated by turbocharged successors, the 991.1's atmospheric engine character is irreplaceable: throttle response that mirrors your right foot with zero lag, a power curve that rewards every additional RPM, and an exhaust note composed of pure mechanical harmonics rather than turbo whistle. Yet the factory exhaust system filters much of this character away, muting the very qualities that will make these cars increasingly collectible.
The Valvetronic Designs 991.1 Carrera valved exhaust is engineered from the ground up to deliver a rich, F1-inspired sound signature while maintaining zero cabin frequencies in closed-valve operation. Available in anodized gold T304 stainless steel or blue burnt titanium, the system features a large center X-pipe and fully mandrel bent tubing that achieves a 21.8-pound weight reduction over factory in the stainless configuration. Vacuum exhaust valves paired with an included controller provide factory-like operation, allowing instant switching between the naturally aspirated flat-six's full acoustic potential and quiet, refined cruising.
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