I own a 1998 Dakota Club Cab with a 318 (5.2) in it. It is a 4WD truck. So far I have put straight pipes on it (back from the cat), a K&N FIPK Intake, and a new serpentine belt that routs underneath the A.C. Compressor. Is their anything else that I can do to increase HP, TQ, and MPG??????? I have heard that punching out that cat and just welding it back up their for "apperance for the coppers" will increase all of these.
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