Quote:
Originally Posted by hippiekiller
I have talked to Tom at ETS quite a few times, he basically said unless you are going up over the 750whp mark the 3" pipe is useless. Just an FYI. Best of luck on the build/sale.
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I've read it's more in the 500's whp, but it's all speculation without back to back proof. I switched from 2.5 to 3" upper piping and at the same boost level made 10 less whp, but I also changed a bunch of stuff like engine management, so for comparison, it's crap. I should've kept the old pipe and switched back and forth now because I'm still curious if it made any verifiable improvement.
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