So previous owner installed a 10" stack protruding right through the dump flatbed of my truck. This renders the dump flatbed useless at this point. And very annoyingly loud right behind slider back window. I plan on removing it and bringing the exhaust back to its normal level. My question is if I do that will it hurt the performance of my truck? And what route should I take with exhaust? Should I go back to stock? Is there a better route to take that will keep or improve performance or gas milage? Thank you for your input.

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