I love my stacks. I have 6 inch bull haulers. I built the 5 inch bed kit. I used exhaust pipe from a local truck parts store. If I had to do it again I would just buy the kit. Probably worked out to be cheaper in the long run
Did you ever get your stacks. I just put my 4 inch turbo back back on gave the six inch stack and piping to a friend. Word of advice. White truck plus stack equals a dirty *** truck be sure to cover them every night and during the day if it looks like rain
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