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View single post by Tsquare
 Posted: Sun Jul 11th, 2021 01:27 pm
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Tsquare



Joined: Fri Nov 10th, 2017
Location: Suwanee, Georgia USA
Posts: 1540
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I have the 154 HP 3.0L and it has the same air box as the 4.0L. The restriction point is the intake side of air box. For my truck removal of the intake baffle seamed to help. I had already removed the guts of the pre-catalytic converters which gave it a deeper tone. The two together may have helped but it may have not. 



____________________
Tony
NE ATL
'04 XLT regular cab 3.slo stepside
Semi retirement