Description
The CARGRAPHIC Sport Exhaust System Kit 3 is a high-performance motorsport exhaust system engineered for Porsche 991 GT3 and GT3 RS models. Featuring long-tube primaries, high-flow tri-metal catalytic converters, and integrated exhaust valves, this kit delivers power gains, weight reduction, and a race-inspired sound. Fully OBD2 compliant, it requires no ECU/DME reprogramming and is designed for motorsport/export use only.
Fitment:
- Porsche 991.1 GT3 3.8L
- Porsche 991.1 GT3 RS 4.0L
- Porsche 991.1 R 4.0L
- Porsche 991.2 GT3 / GT3 RS 4.0L (without GPF)
System Components:
- CARGRAPHIC Long tube manifold set with 2" / 50.8 mm equal-length primaries and 2x200cpsi Ø130mm OBD2 HD tri-metal catalytic converters
- CARGRAPHIC Connection pipe set with integrated 74mm exhaust valves from catalytic converters to final silencer
- CARGRAPHIC Sport wheel arch silencer set with reinforced band straps
- CARGRAPHIC Connection pipe set from wheel arch silencers to final silencer
- Fitting kit
Key Features:
- Export Version – Motorsport only, not road-legal
- Weight saving: 7.5 kg lighter than standard exhaust system
- 2" equal-length long-tube primaries merge through a racing-style spliced collector
- Perfectly matched, high-performance components
- Absorptive silencer design for aggressive sound without drone or resonance
- CNC mandrel-bent pipework with constant diameter for optimal flow
- Fully made from SS304L lightweight stainless steel
- Dyno-tested for maximum performance
- Olive and slide connections for easy installation and precise adjustment
- Aeroquip fittings allow heat expansion without cracking
- Reinforced laser-cut brackets for durability
- Reduced backpressure and operating temperature
- Maximized performance with improved throttle response and freer revving
- Enhanced acoustics with sharper, crisper sound and model-specific tuning
- Made in Germany
- Performance Gain: +15 kW (20 PS) more power and +19 Nm additional torque
Tailpipe Trim Options:
- Mirror polished
- Gloss-Black enamelled
- Matt-Black Thermopaint
- Visual-Carbon Matt finish with stainless steel liner
- Visual-Carbon Gloss finish with stainless steel liner
Optional Valve Control Upgrades:
-
2-Mode Control Unit:
Sport Mode – valves always open
Automatic Mode – OEM valve control active -
3-Mode Control Unit:
Sport Mode – valves always open
Comfort / Noise Restricted Mode – valves permanently closed
Automatic Mode – OEM valve control active
