Get out of the corner fast and maximize your pulling power on the straights! Designed for Race Competition, Drivers Education, PCA club racing, track events, and off-road use. Fabspeed Motorsport 981 Porschelong tube headers with F1 high velocity merge collectors provide maximum exhaust flow from the engine cylinder heads straight into equal length primary header tubes and a INDY Car F1 merge collector. The Fabspeed Motorsport race competition headers are the Worlds Very Finest Race Competition headers Dyno developed and independently proven by Porsche Engine builders world wide. In back to Back independent Dyno testing Fabspeed 981/ GT4 headers outperform "Blo AWay" the competition
Fabspeed’s Race Headers for the Porsche 981 Boxster/Cayman are built to optimize the engine’s exhaust flow for maximum performance. Our precision-engineered headers add significant horsepower and torque to the wheels. Fabspeed Motorsport Boxster/Cayman headers have been developed and refined over 17 years and used by Professional Racers and IMSA Sanctioning bodies for over decades. You can NOT buy a finer race header developed in USA from a clean sheet of paper.
Set yourself apart from the factory-equipped crowd with these unbeatable performance upgrades and watch your Porsche’s power - and your race results - climb. Race headers are a great foundation for any GT4 with PSE and or a GT4 Clubsport/ GT4CS Manthai Racing car.
- Fits all Porsche 981 Boxster/Cayman vehicles, GT4 and Spyder 3.8 liter cars too. Race headers fit GT4RS Clubsport. (2013-2016)
- Equal length T304 stainless steel, C.N.C. mandrel bent header pipes for equalized engine pulsing, exhaust scavenging and maximum exhaust flow.
- Long-tube race headers fit all Boxster/Cayman models listed above and are a simple direct BOLT-ON to any OEM 981 muffler/ 981 PSE or any aftermarket muffler designed from OEM spec.
- Dramatic improvement in horsepower and torque throughout the RPM range
- Multi-layer OEM Porsche exhaust manifold gasket additional $70 set.
- F1/NASCAR style high velocity cast merge collectors to pulse wave tuning.
- Direct bolt-on application with no cutting or welding required.
- Independently DYNO tested against other brands on 4.0liter to 4.25 liter stroker engines- Fabspeed Motorsport beat out all Wolrd-Wide competitors.
- Optional 02 Spacers CATTED SPACERS available to minimize C.E.L occurrences .
INSTALLATION NOTE: To ensure proper header seal, after initial heat cycle, tighten all exhaust bolts to the OEM torque specs.
DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.