Air Induction

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

The LSXr Intake + Big Mouth 102mm Throttle Body Kit increases horsepower and throttle response thanks to improved manifold flow and a 102mm throttl...

Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible th...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

The LSXr Intake + Big Mouth 102mm Throttle Body Kit increases horsepower and throttle response thanks to improved manifold flow and a 102mm throttl...

FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspir...

The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ship...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspir...

Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR off...

Designed to maximize performance upgrades on all GM Gen III and Gen IV engines with cable driven throttle bodies, the FAST 102mm Big Mouth Throttle...

Designed to maximize performance upgrades on all GM Gen III and Gen IV engines with cable driven throttle bodies, the FAST 102mm Big Mouth Throttle...

The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness t...

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 addit...