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Power Strokes
Aftermarket Super Duty 1999 - Current
4" Flo-Pro
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[QUOTE="bad12jr, post: 249495, member: 1001"] The 5'' might have took some of the whistle out. The 5'' Tail we used on my 96 gave my truck a heck of growl but took away the cackle and some of the whistle of the 3.5'' that was on it. But that thing sounds awesome. Need to get one going down the road taking off. [/QUOTE]
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Power Strokes
Aftermarket Super Duty 1999 - Current
4" Flo-Pro
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