They will be a little nosier for a few hundred miles.
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2003 Dodge Ram 3500 Dually: 08 Front End Swap, ARP Head Studs, DDP 100hp, 6spd, SB Clutch, FASS 150, aFe, MBRP, Predator, Rockstars, Valve Springs, PAC, TV, Subs, AMSOIL, 310,000 miles and counting.......