Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   any 3" HFC? (https://www.ft86club.com/forums/showthread.php?t=23489)

lbroskee 12-03-2012 02:38 AM

any 3" HFC?
 
do we have anybody who makes a 3' HFC? i'm eventually going turbo so getting a 2.5' now would render itself useless down the line

gmookher 12-03-2012 08:51 AM

why? I'm on a 2.5" HFC and it will be fine for SC application south of 12psi
3" is way overkill unless your planning a 400hp+ setup

lbroskee 12-03-2012 12:44 PM

really? bc every1 i know has always said to go 3" as it's much less restrictive, so i figured 2.5" wouldnt preform as well

raz0rbladez909 12-03-2012 01:13 PM

Quote:

Originally Posted by lbroskee (Post 587847)
really? bc every1 i know has always said to go 3" as it's much less restrictive, so i figured 2.5" wouldnt preform as well

I'm sure if you went with it you'd be one of the first to try it. I've always felt that the "3 inch exhaust is only for forced induction" myth is exactly that, a myth. Plenty of B/K-series Hondas and F20/22c S2000's dispel this myth quite regularly and make gains in power throughout their entire powerbands.

lbroskee 12-03-2012 01:19 PM

well that's all good to know since i really want to swap out my front pipe. thanks guys

Celica00 12-03-2012 01:25 PM

Quote:

Originally Posted by lbroskee (Post 587847)
really? bc every1 i know has always said to go 3" as it's much less restrictive, so i figured 2.5" wouldnt preform as well

i mean 3" wont hurt.. but based on what the vendors are saying, 2.5 is sufficient on this platform, at least.


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