GT63 Billet intake manifolds (X290) Men's Clothing while the fully enclosed housing

while the fully enclosed housing keeps unwanted heat out

This is simply because of reduced restrictions

Spark Support Gap

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

uninterrupted airflow for better throttle response and turbo efficiency

GT63 Billet intake manifolds (X290) Men's Clothing while the fully enclosed housingMANIFOLD 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