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performance pac

  1. Roush Performance Pacs

    Mustang EcoBoost Performance
    Just curious if anyone has messed with these? I see cobb mentioned left and right alog with the airaid CAIs. Has anyone on here modded via Roush after buying a stock setup? Link for reference of what I was looking at. 2015-2017 Mustang ROUSH 2.3L EcoBoost I4 Performance Pac Level 2 w/ Dongle