Description
The CARGRAPHIC Longtube Manifold Set with 1.75” / 45mm primaries and 200CPSI Ø120mm HD OBD2 tri-metal catalytic converters delivers improved performance, torque, and throttle response while remaining fully road legal. Designed with equal-length longtube runners and a racing-style spliced collector, it ensures smoother exhaust flow and reduced backpressure. Built from SS304L lightweight stainless steel with CNC mandrel-bent pipework and reinforced flanges, this system combines durability, efficiency, and precision.
System Components:
- CARGRAPHIC Longtube Manifold Set with 1.75” / 45mm equal-length primaries
- Racing-style spliced collector with spike for optimized scavenging
- 2x 200CPSI Ø120mm HD OBD2 tri-metal catalytic converters
- CNC mandrel-bent SS304L stainless steel pipework
- Reinforced SS304L stainless steel laser-cut flanges and brackets
Fitment:
- Porsche 987.2 Boxster 2.9L
- Porsche 987.2 Boxster S 3.4L
- Porsche 987.2 Boxster Spyder 3.4L
- Porsche 987.2 Cayman 2.9L
- Porsche 987.2 Cayman S 3.4L
- Porsche 987.2 Cayman R 3.4L
Technical Data:
- Primary Diameter: 1.75” / 45mm
- Catalysts: 2x 200CPSI Ø120mm HD OBD2 tri-metal cats
- Fully OBD2 compliant – no CEL, no ECU/DME reprogramming required
Key Features:
- Equal-length 1.75” / 45mm longtube primaries
- 200CPSI OBD2 tri-metal catalytic converters (durable, high-flow, road legal)
- Racing-style spliced collector for smooth gas flow
- CNC mandrel-bent stainless pipework for consistent diameter
- Reinforced flanges and brackets for reliability
- Reduced backpressure and lower operating temps
- Dyno-tested with proven gains in power and torque
- Improved throttle response and sharper revving
- Enhanced sound – sporty but refined, no drone
- Weight reduction for added performance efficiency
- Performance – Made in Germany