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3" Mandrel Bent Exhaust Comments Please?

714 views 3 replies 4 participants last post by  DoubleVision 
#1 ·
Picked up a Jeg's Exhaust System 3" Mandrel Bends complete
from headers back. Got is for pretty good price. The part# is 30555
64-72 Chevelle. Anyone have any experience with this kit? good or bad??
Thank you
 
#3 ·
for anything with less than 350hp i would use 2 1/4 pipes, anything from 350-475hp i would use 2 1/2 pipes, and anythiing from 475-700hp i would use 3" pipes, anything above that use 3.5-4"

but sorry no i dont have any experiance to using this kit, good luck with it i hope it works out for you
 
#4 ·
As mentioned, this is overkill for some. Cases to run these are, if your running a healthy big block, a supercharged small block, or with a small block that must run a single 3 inch pipe due to room restrictions. On the street there`s a fine balance between power and back pressure.
 
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