Thread: Do CAI really make a big difference on the 06 5.4 engines
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Old Thu, January 19th, 2012, 03:25 PM
progrezzive1 progrezzive1 is offline
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Default Do CAI really make a big difference on the 06 5.4 engines
I Have a 06 mark lt and was wondering would putting a CAI by roush performance make a difference in hp and fuel economy. at the moment i have the gotts mod with a k&n filter.
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