Nearly every performance car guy has made an intake swap in the quest for better breathing and improved performance. The problem is that after spending a couple of hours making the swap, sometimes little if any gain is achieved. You scratch your head, yell at the dog, and are downright mad about investing your good time and money for relatively no performance gain. You wonder why.

Mismatch | Back To Top
The answer: the port openings at the end of the runners on the intake manifold do not match up to the port openings on the cylinder head. The resulting mismatch causes congestion of the air/fuel mixture as it travels toward the intake valve. This snarl-up slows down the velocity of the airflow.

Well, with a little planning, the proper tools, and some patience, the average do-it-yourselfer can clear up this congestion by port matching (gasket match) the intake manifold. This port/gasket matching is just what the doctor ordered to enable your engine to better breath!