I bought a set of Doug's for my 72 dart.
They say not to use them on a new engine rebuild. Seems like a pain in the *** to install all your new stuff with stock exhaust only to have to do all over again once engine is broke in. How many here have ignored that advice? Any problem?
They say not to use them on a new engine rebuild. Seems like a pain in the *** to install all your new stuff with stock exhaust only to have to do all over again once engine is broke in. How many here have ignored that advice? Any problem?