Description
The CARGRAPHIC Longtube Manifold Set is a high-performance motorsport manifold system designed for Porsche 991 GT3, GT3 RS, R, and GT3 Touring models. Featuring equal-length long-tube primaries and HD tri-metal catalytic converters, this kit maximizes exhaust flow, reduces backpressure, and enhances throttle response. Fully OBD2 compliant, it is plug-and-play with no ECU/DME programming required.
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)
- Porsche 991.2 GT3 Touring 4.0L
System Components:
- CARGRAPHIC Sport Manifold Set with 2" / 50.8 mm primaries
- 2x 200cpsi Ø130mm HD Tri-metal catalytic converters
- CNC mandrel-bent pipework with spike collector and secondary inlet cones
Key Features:
- Export version – Motorsport use only
- Fully OBD2 compliant – no check engine light (CEL) and no DME / ECU programming required
- 2" equal-length long-tube primaries merge through a racing-style spliced collector with spike
- 2.75" / 70mm secondary inlet cones with Ø130mm catalytic converters for maximum flow
- Larger volume and expansion space for improved exhaust efficiency
- CNC-manufactured with mandrel-bent support for constant diameter pipes
- Fully made from SS304L lightweight stainless steel
- Reinforced laser-cut flanges and brackets in SS304L
- Reduced backpressure and operating temperature
- Dyno-tested high-performance components
- Maximized performance and torque gains
- Improved throttle response and freer revving
- Enhanced acoustics with no drone, resonation, or vibration
- Model-specific tuned sound consistent with Porsche
- Lightweight construction for reduced vehicle weight
Performance: Made in Germany – Motorsport-grade quality
