Sorry stupid question but I have an 06 cummins lifted 4inches with an afe air box, straight 4inch exhaust no muffler but otherwise stock. Im trying to decide if I should do the efi or the smarty....
Type: Posts; User: Slamminsalmon; Keyword(s):
Sorry stupid question but I have an 06 cummins lifted 4inches with an afe air box, straight 4inch exhaust no muffler but otherwise stock. Im trying to decide if I should do the efi or the smarty....