FAST

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR offers a host of benefits over aluminum aftermarket...

The LSXRT is constructed from a proprietary precision injection The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in...

The FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield...

The FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run dry. In addition, they yield...

High Horsepower and Race versions of the LSXR These high horsepower design intake runners fit in our LS3 102mm intake manifolds. Provide excellent mid-range and high rpm horsepower for modified...

FAST Big Mouth Throttle Bodies for the LSX 92mm and LSXR Our Big Mouth 92mm Throttle Body for GM LS features a black wrinkle powder coating finish along with an improved throttle blade and pivot. In...

When it comes to improving your engine's performance, increased airflow is a key ingredient. The FAST Big Mouth Throttle Bodies for the FAST LSXR and the LSXRT102mm Intake Manifolds increase airflow...

When it comes to improving your engine's performance, increased airflow is a key ingredient. The FAST Big Mouth Throttle Bodies for the FAST LSXR and the LSXRT102mm Intake Manifolds increase airflow...