Description
Unleash the full potential of your Porsche 991 Turbo or Turbo S with the CARGRAPHIC Turbo-Back Valved Sport Exhaust System (RACE SOUND / RACE SOUND+ Version). Designed for switchable dual-mode operation, this system delivers a refined RACE SOUND for cruising and an aggressive, amplified RACE SOUND+ for track-inspired driving. Featuring pressureless open (PLO) integrated exhaust valves, it offers dynamic sound control with no drone or resonation, even when combined with additional CARGRAPHIC exhaust components.
Fitment:
- Porsche 991.1 Turbo / Turbo S 3.8L
- Porsche 991.2 Turbo / Turbo S 3.8L
Important Notes:
- NOT OBD2 compliant – ECU / DME reprogramming required
- Export version designed for motorsport or export use
- Integrated exhaust valves require CARGRAPHIC Performance Valve Control Unit (optional)
System Components:
- CARGRAPHIC catalytic converter replacement pipe set
- CARGRAPHIC integrated exhaust valves (pressureless open)
- CARGRAPHIC rear silencer replacement pipe “X”
- CARGRAPHIC band strap set
Key Features:
-
Switchable dual-mode exhaust:
- Valves Closed: Quieter tuned RACE SOUND for comfortable cruising
- Valves Open: Aggressive, amplified RACE SOUND+ with sharper, crisper tone, burbles, and backfire
- CNC mandrel-bent pipework for consistent diameter and smooth flow
- Fully made from SS304L lightweight stainless steel
- Dyno-tested, high-performance components
- Olive- and slide-connections for precise installation and adjustment
- Aeroquip fittings allow thermal expansion without cracking
- Reinforced laser-cut mounting brackets for durability
- Reduced backpressure for enhanced performance
- Lower operating temperature
- Improved throttle response and freer engine revving
- Integrated PLO exhaust valves for optimized acoustics
- Model-specific tuned sound while maintaining Porsche character
- Weight reduction for better handling
Performance Benefits:
- Maximized engine efficiency and performance
- Sharper, crisper, and louder sound with dynamic switching
- No drone, resonation, or vibration at any RPM
- Enhanced low and mid-level exhaust tone
- Track-inspired sound while retaining street practicality
PERFORMANCE – Made in Germany
