GT63 Billet intake manifolds (X290) Men's Clothing 75% Larger Air Filter: Dramatically

75% Larger Air Filter: Dramatically increases airflow for more power

Recommended for Stage 2+ and Stage 3 builds

This is simply because of reduced restrictions

Updated Airbox with carbon Lids – real carbon fiber lid for a premium finish

GT63 Billet intake manifolds (X290) Men's Clothing 75% Larger Air Filter: DramaticallyMANIFOLD CONSTRUCTION The factory manifolds are constructed from plastic, in 2 halves and then plastic welded (melted) together) This construction method is economical for large scale production, and (mostly) ok for standard engine power. However, the limits of the factory manifolds are well documented Furthermore, the plastic is not able to be drilled or tapped, so optional ports for nitrous, meth, or boost sense cannot be added. Finally, there is no