Description
Upgrade your Porsche 991 Turbo or Turbo S with the CARGRAPHIC Turbo-Back Valved Sport Exhaust System with Catalytic Converters, designed for switchable dual-mode performance. This system combines RACE SOUND and RACE SOUND+ modes with integrated pressureless open (PLO) exhaust valves to provide aggressive track-inspired acoustics while maintaining practicality for street use. Fully OBD2 compliant, it eliminates check-engine lights and requires no ECU or DME reprogramming.
Fitment:
- Porsche 991.1 Turbo / Turbo S 3.8L
- Porsche 991.2 Turbo / Turbo S 3.8L
System Components:
- CARGRAPHIC sport catalytic converter set with 2x 200cpsi Ø130mm T-38 HD tri-metal catalytic converters
- 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 daily driving
- Valves Open: Aggressive amplified RACE SOUND+ with sharper, crisper, volume-increasing tone, including burbles and backfire
- Fully OBD2 compliant – no check engine light, no ECU/DME reprogramming required
- CNC mandrel-bent pipework ensures constant diameter and smooth flow
- Constructed from SS304L lightweight stainless steel
- Dyno-tested high-performance components
- Olive- and slide-connections for easy installation and precise alignment
- Aeroquip fittings allow thermal expansion without cracking
- Reinforced laser-cut mounting brackets for durability
- Reduced backpressure for optimized performance
- Lower operating temperature for enhanced reliability
- Improved throttle response and freer engine revving
- Model-specific tuned sound while maintaining Porsche character
- Integrated PLO exhaust valves for dynamic sound control
- No drone, resonation, or vibration at any RPM
- Weight reduction for better handling
Performance Benefits:
- Maximized engine efficiency and performance
- Dynamic sound switching for street and track
- Enhanced low and mid-level exhaust tone
- Track-inspired acoustics without compromising street usability
Attention: Integrated exhaust valves require the optional CARGRAPHIC Performance Valve Control Unit for full operation.
PERFORMANCE – Made in Germany
