Yea Can you imagine the port work if they modified the stock one? I did my own port work on my exhaust manifold and it took like 6 hours total and 4 dremel bits.
Yea Can you imagine the port work if they modified the stock one? I did my own port work on my exhaust manifold and it took like 6 hours total and 4 dremel bits.
I bought an 07 DTS with the 275 northstar and would like to pua cold air intact on it as well as a few minor mods.. how involoved is installing a cold air intact? what else can I do that will enbale an increase in hp bout not decrease mileages.... Im not looking for anything drastic, thanks