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the pipes are im guessing 2&1/2" down to the crossover the turn 3",
so I put a muffler at the crossover with 3" in 3" out then 4' of 3" pipe.
truck is loud, to loud for me anyway,im somewhat older now but 40 years ago I would have loved it.

My question is if I drop the pipe size down to 2&1/2" all the way will it be quieter?

also I got the truck running real good after warm up,on the road is badass. took all the smog stuff out and the motor says it likes it.

thanks for the help

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contributions: 2164
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Location: Oregon
you should talk to an exhaust shop. It's not so much how big your pipe is compared to how good your muffler is. Maybe you need more baffling material

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