I am putting a 3" exhaust on my ute complete with 3" dump pipe. I am going to run twin stacks on it. My question is, after i split the system to go up behind the cab does it still need to be 3" or can i use twin pipes the same size as standard. The reason is i will have to move the tray back a couple of inches to fit twin 3" (which is not a problem) and also i can't see how i would need 3" if i run twin standard pipe! It should be getting rid of the gases just as quick as a 3" pipe??? It will all be mandrel bent pipe.
Thanks in advance for any advice...........................Pete!
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