F150 Ecoboost Forum banner

sct x3

  1. F150 Ecoboost Accessories
    Tonight I took my truck to the tuner to have it programmed. I listed all the mods done: aFe cold air, MAK 3" downpipes, Heartthrob 4" cat back exhaust He asked what I gapped my plugs to, and I gave him a deer in the headlights look. He explained that I needed to install new plugs and widen...