Fabspeed Motorsport

Fabspeed Porsche 991 GT3 / GT3 RS / 911 R Long Tube Competition Race Header System (2014-2016)


Designed 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 991 GT3 / GT3 RS / 911 R 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.


GT3 header system was engineered with Burns stainless proprietary X-design parametric engine/ exhaust design computer program

Completely hand finished inside for proper flow and maximum power gains

Motorsport proven and adopted by NASCAR engine builders along with world championships in Indycar Racing, Formula Atlantic, ALMS, FIA-GT, and Grand Am. Burns stainless is the very best!

Increased reliability - proven in racing and high volume OEM use

High-temperature bearings at both ends of the butterfly spindle including Inconel T625 stainless steel

Cast stainless steel valve body with stiffening ribs for ultimate durability and cooling.

Fits all Porsche 991 GT3 / GT3 RS / 911 R vehicles world wide 2014-2016

Fabspeed headers alone add 24 whp and 28 ft-lbs of torque at 4500 RPM

Fabspeed headers with ECU tune add 38 whp and 26 ft/lbs at 7650 RPM with ECU Tune

Increases throttle response and dramatically improves sports car sound

40 lb 18.1 Kg weight decrease from the rear of the car for much better handling and inertial performance.

CAD designed and incrementally Dynojet developed and tested for maximum performance gains

100% INTENDED for RACING COMPETITION events ONLY. Never ever to be driven or used on the public roads under any circumstances. NOT CARB approved NOT EPA approved and never will be approved. Caveat Emptor.

Simple bolt-on installation; easily removable and replaceable for emissions testing