I have been reading about this plug prblem for a while and still do not know what years this affects. Am I in for it with an 07 5.4?
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07 FX4 SCAB, 4.56 Yukons, K&N 57 CAI, Flowmaster 40 SI/DO, Rhino lined, Westin grille and tail light guards, Kobalt 2500 truck box and the best mod of all.....a Gryphon!
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