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jwahl16

10+ Year Contributor
427
3
Oct 26, 2009
Havertown, Pennsylvania
I want to upgrade my exhaust and need to know if a 2.5 inch press bent exhaust is big enough (found a used one for $150). how much hp can that handle? I plan on keep my side mount ( upgrade to supra eventually) so i wont be going for anymore hp then that can handle (300?). i have an upgraded o2 housing that may be 3", how do i measure it? by inner diameter or outer? will a 3" housing reducing to 2.5 exhaust be too much of a restriction? my stock exhaust struggles. So yeah, what do yall recomend? thanks and sorry for the long post.


EDIT: So I found out a Supra Sidemount can support up to about 350-400 hp max, so that is my goal. Is a 2.5" turbo back exhaust good enough for that or am I better off with a 3"

And same question about measuring o2 housing to see if its 2.5 or 3"

Thanks
 
Last edited:
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