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I have an 07 f150 with a 5.4 so far ive but the knn intake true duals exhaust with 40 series flows, and tha edge evo and was wondering how a throttle body spacer would help, thanks
i had a throttle body spacer for my truck and i took it off and its better without it...its better as a paper weight...and i think alot of people will agree with me and say dont buy one...