Quote:
Originally Posted by Super Werty
578 rwhp with a 2.5" exhaust is awesome!
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I don't know why everyone thinks you need dual 3" exhaust to make 600whp. it seems like a few companies released 3" exhausts and people assumed you needed them. At a certain point that will be true but I have yet to see anyone hit a wall with 2.5" to justify going 3". I made 575 last year, and I'm shooting for 650 this year on e85. If anything is going to hold me back its the GTM manifolds, not the 2.5" exhaust
