2.9 with jba headers .what pipe size ??
- Thread starter scarface
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My 4.0 has 2" since that's what is standard on the V6 (for tailpipe anyways). I have a friend with a 2 1/4" setup. When they're idling parked next to each other, they sound about the same. The only difference is mine has 12" and his has 18" glass packs. I think the smaller the pipe, the more cackly it's going to be. It's your choice.
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a smaller pipe size will keep velocity up and keep some torque. If you go too big youll kill the velocity and loose some response and torque
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2 1/2" max on a single, 2" max for duals.
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