My buddy bought a '97 K2500 7.4L close to two decades before I got mine. His was only a couple years old at the time.
He told me--more than once--that an upgraded cat-back exhaust system with twin aftermarket mufflers instead of the dual-inlet stock muffler, made more difference than the hyperexpensive Gale Banks headers he installed.
He told me--more than once--that an upgraded cat-back exhaust system with twin aftermarket mufflers instead of the dual-inlet stock muffler, made more difference than the hyperexpensive Gale Banks headers he installed.
