Stock diameter of exhaust? | Ford Explorer Forums - Serious Explorations

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Stock diameter of exhaust?

stsmoker

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Joined
October 12, 2008
Messages
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City, State
Cumberland City, TN
Year, Model & Trim Level
05 Ford Explorer 4x4 XLS
does any one know the stock diameter of the exhaust pipe?
 



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It won't be 2.5", the 91-01's are all 2.25", any engine.
 












Ford has basically not installed 2.5" pipes on anything but bigger trucks and top line Mustangs. I guarantee you that Ford didn't start any time recently by sticking big pipes on a mid sized SUV.

2.5" pipes are just about an ideal size for a stock 4.0 or 4.6 engine, front to back, duals and tail pipes. That's what they should be for best efficiency. Now do you want to argue the inadequacies of a stock exhaust and duplicate it, or shall will make it better?
 






so should i have 2 1/4"?
 












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