Fabspeed Porsche 997 GT3 / GT3 RS Long Tube Competition Race Header System (2006-2009) Exhausts HJS GErman catalytic converters aka

HJS GErman catalytic converters aka catalysts on a properly tuned and functioning engine and engine management systems offer guarantee NO CEL - NO Check Engine Lights

Fits all Porsche 991

Apply high temp copper anti seize to all threads and oxygen sensor bungs

The original factory Porsche 993 ball-joint clamps and cast rings will be re-used when installing Fabspeed exhaust products on all 993 Carrera vehicles

Maxflo Mufflers are radius stress relieved

Fabspeed Porsche 997 GT3 / GT3 RS Long Tube Competition Race Header System (2006-2009) Exhausts HJS GErman catalytic converters akaDesigned for racing, track events and off road use, Fabspeed's Long Tube Competition Race Headers with integral Side Muffler Bypass Pipes are designed to maximize the horsepower and torque bolt on potential of the Porsche 997 GT3 GT3RS engine by increasing exhaust flow from the engine cylinders straight into the exhaust system. This system was designed, incrementally dyno developed and maximizes engine power all throughout the powerband. When the