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Old 07-29-2009, 05:31 PM   #1
Fine Line Imports
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Member#: 81166
Join Date: Feb 2005
Location: Santa Rosa California
Vehicle:
2008 Forester
silver

Default 06 STi stage 2 plus header

This 2006 STI came to us dead stock a few years ago and we installed a pretty basic stage 2 set up and gave it a FLI protune. Recently the customer came back to us and wanted a little more power so we added a Tomei unequal length header and gave it a retune. While these are not earth shattering numbers it is a good solid package that is great for daily driving.

Engine:
APS 3in TBE
Tomei header
Tomei up-pipe
K&N drop in filter.
COBB AP ver 2 with custom FLI protune 90 degrees in the dyno room 17.5PSI max


FLI Stage 2 plus Tomei header.



FLI stage 2 vs FLI stage 2 with Tomei header



Ryan
Fine Line Imports
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http://fliblog.wordpress.com/
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Last edited by Fine Line Imports; 07-29-2009 at 05:37 PM.
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Old 07-29-2009, 06:21 PM   #2
Illusive
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Location: Sealy, TX
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boost was the same between both before / after?

if so thats amazing results from just the additon of the header / retune. some spots appear to have a net gain of 20 whp+.
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Old 07-29-2009, 06:50 PM   #3
jason miller
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It would be interesting to see what the two lines do all the way to 7k. The gap is obviously narrowing, and it would be neat to see if the header could maintain any advantage.
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Old 07-29-2009, 06:54 PM   #4
Fine Line Imports
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Location: Santa Rosa California
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silver

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Quote:
Originally Posted by Illusive View Post
boost was the same between both before / after?

if so thats amazing results from just the additon of the header / retune. some spots appear to have a net gain of 20 whp+.

The before tune was 16.5 psi max so we did raise it 1 pound with the headers.


Ryan
Fine Line Imports
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Old 07-29-2009, 07:08 PM   #5
Gfunk720
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Nice to see this. I just put the same headers on, and feel like I lost some spool. While I haven't been retuned yet, I am hoping to pick it back up

Looks like you guys actually spooled up a little faster with the header. Is that all the boost it'll take on 91 oct?
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Old 07-29-2009, 07:30 PM   #6
Fine Line Imports
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Quote:
Originally Posted by Gfunk720 View Post
Nice to see this. I just put the same headers on, and feel like I lost some spool. While I haven't been retuned yet, I am hoping to pick it back up

Looks like you guys actually spooled up a little faster with the header. Is that all the boost it'll take on 91 oct?

You could probably run another pound to pound and a half more boost in it if you wanted to with no problems on 91oct. For this car is just kind of liked 17.5 psi better then 18.5 so we left it there.


Ryan
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Old 07-29-2009, 07:31 PM   #7
CatfaceType-R
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usually most tuners tune around that or at least stay in the teens(sub 20 usually) for our crap 91 octane
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