Add up to 30
more horsepower by sending your intake manifold and throttle body to Peak Speed
Shop for porting or purchasing one from our inventory. Stock intake manifolds
are plagued with ridges and bumps left from the factory mold that sap horsepower
from your engine. Our precision porting process removes those obstacles that
disrupt airflow. Let us improve the airflow through your throttle body at the
Ship your parts to us for porting, or be up and running with a ported manifold and throttle body the same day! No more waiting 2 weeks with your vehicle down while getting your parts ported! Peak Speed Shop has ported GM LS2, LS3, L76, LS7, TBSS and L92 manifolds and throttle bodies in stock. Simply pay a refundable core charge until we receive your removed parts back.