Ive got a 94 F-250 PSD reg cab. Im about to buy stacks but first im running a new down pipe. But what size stacks should i get and where should i get the kit. Also when I put the new downpipe on do i need to put heat hields on it or will it be ok the down pipe is stainless.
The 5" ones I had in my super cab droned a bit especially on 29 hour rides, but my full 4" exhaust has a drone in my crew cab, not as bad, but still a drone, the smaller the cab the more audible the drone to the driver
O and when ya cut holes in the bed cut three sides of a square and fold it down makes it easier to reverse the damage you do to a bed when ya stack it just fold back up tack weld on bottom use a rust inhibitor and then re bedline
I have dual 5" on my truck, and the cab noise really isn't an issue for me. I usually drive with the windows down but when everything is closed up its not bad. IMO, on a regular cab, don't go over 6" if you're planning on running duals. I went with 5" because I thought it looked more proportionate to the size of the truck.
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