ive watched some videos of some ranger mudding, and they sound like damn tractors. they dont have diesel engines in them, they have stock. how do i make my ranger louder besides putting an exhaust on?

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97 ranger
v6 4.0
4x4
6 inch special suspension lift
15 inch mickey thompson sidebiter rims
33x12.50x15 kuhmo venture mt
dual flowmaster super 44 series exhaust