Description
The CARGRAPHIC Sport Exhaust System Kit 3 (Lightweight) is a high-performance, fully OBD2-compliant exhaust system designed for Porsche 991 GT3 models. Made entirely from SS304L lightweight stainless steel, this system offers significant weight reduction, improved throttle response, enhanced acoustics, and a dyno-tested performance increase of +15 kW (20 PS) and +19 Nm torque.
This kit perfectly balances track performance and street usability, delivering a sharper, crisper, and more aggressive exhaust note without drone or vibration.
Fitment:
- Porsche 991.1 GT3 3.8L
- Porsche 991.1 GT3 RS / R 4.0L
- Porsche 991.2 GT3 / GT3 RS 4.0L (without GPF)
- Compatible with factory Porsche valve control or optional CARGRAPHIC 2- or 3-Mode Performance Valve Control Unit
System Components:
- CARGRAPHIC Long Tube Manifold Set – 2” / 50.8mm primary pipes with 2x 200cpsi Ø130mm OBD2 HD tri-metal catalytic converters
- Connection Pipe Set – with integrated 74mm exhaust valves from catalytic converters to final silencer
- Sport Wheel Arch Silencer Set – with reinforced band straps
- Connection Pipe Set – from wheel arch silencers to final silencer
- Final Silencer Replacement Pipe – with band straps
- Double-End Tailpipes – 100mm / 4” diameter, round, slash, mirror polished (other finishes available)
- Fitting Kit – includes olive- and slide-connections, reinforced laser-cut brackets, and band straps
Key Features:
- Weight Saving: ~11.5 kg lighter than standard Porsche exhaust system
- Performance: +15 kW (20 PS) and +19 Nm additional torque
- Optimized Acoustics: Crisp, sharp sound with revs, low-level tone improved, no drone or resonation
- Throttle Response: Improved revving and reduced backpressure
- Durability: Fully made from SS304L lightweight stainless steel, CNC mandrel-bent pipes for constant diameter
- Easy Installation: Olive- and slide-connections allow heat expansion, perfect alignment, and adjustment
- Aeroquip Fittings: Prevent cracking due to thermal expansion
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Performance Valve Control Options:
- 2-Mode: Sport Mode (valves always open), Automatic Mode (OEM control active)
- 3-Mode: Sport Mode, Comfort/Noise Restricted Mode (valves closed), Automatic Mode
Tailpipe Trim Finishes Available:
- Mirror polished
- Gloss-Black Enamelled
- Matt-Black Thermopaint
- Visual-Carbon Matt Finish with stainless steel liner
- Visual-Carbon Gloss Finish with stainless steel liner
Performance: Made in Germany
