6.4L Performance Parts Discussion
FINALLY got my spartan ordered today and got the s&b CAI and 5 inch turbo back with 6 inch tip. Wondering if the 275 or 250 are better dailey driver tunes??
ill deffinitly be doing some racing but i want the most mpg i can get and smootheest drive. and i dont wanna hurt anything so is the 275 a...