FABSPEED Porsche 911 Carrera 3.0 / 3.2 RSR Header Muffler Kit with Sport Cats (1976–1989)

A complete header-back performance exhaust for classic Porsche 911 Carrera 3.0L and 3.2L models. Equal-length RSR long-tube headers feed a free-flowing Maxflo muffler to deliver a louder Cup-car character, stronger response, and reduced rear weight.

Fitment: Porsche 911 Carrera 3.0L (1976–1983) and 3.2L (1984–1989).

• Equal-length RSR long-tube headers with high-velocity 3-into-1 merge collectors
• 14–16 gauge CNC mandrel-bent T304 stainless steel
• HJS high-flow sport catalytic converters
• Choice of heat-exchange specification and outlet style
• Includes required hardware and gaskets
• Published Fabspeed dyno result: up to +17 whp and +13 lb-ft through the curve

Installation note: The second outlet may require rear-bumper modification. Retorque exhaust fasteners to OEM specification after the first heat cycle.

Compliance: Sport-catalyst configurations are intended for competition or off-road use where required by local law.