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No, it’s all factory stock. I’m not a fan of after-market mods. (Plus I don’t want to void the Extended Warranty 
) It performs well for a "Out-Of-Box" vehicle, I have no complaints. The 300+ hp 5.4 Triton V8 more than powerful enough for me. Its Off-Road ability is good considering how heavy the Expo is. Also for a SUV, it actually fun to drive. I see no need to change anything. 
But the Expedition isn’t perfect. It does have its problems (design wise) There’s nothing I can do about that. But its Pros out weigh its Cons.
) It performs well for a "Out-Of-Box" vehicle, I have no complaints. The 300+ hp 5.4 Triton V8 more than powerful enough for me. Its Off-Road ability is good considering how heavy the Expo is. Also for a SUV, it actually fun to drive. I see no need to change anything. But the Expedition isn’t perfect. It does have its problems (design wise) There’s nothing I can do about that. But its Pros out weigh its Cons.