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Oct 11, 2009, 02:49 PM
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#1
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Silver Sponsor
Personal Sales Rating: ( 4)
Join Date: Sep 2007
Location: Hayward
Posts: 1,885
Drives: EVO, STI
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Stealth 10 with FPred
This 10 is California and Wife stealth spec. 
2008 Evo 10
Mods:
Stock catback (removed internal flapper)
AMS downpipe
GST testpipe
FPred @ 24psi across
DW 1000cc injectors
Drop-in air filter
GST Boost pill
GST Custom dyno tune (ecuflash)
91 oct
337whp / 279wtq
This was an interesting setup. Super quiet and looks 100% stock under the hood and exhaust wise. Isn't any louder than stock at idle and cruise. The red is obviously being held back with restriction. This Evo made 302 whp with the stock turbo so good gains with the red for the current setup.
I'd fully expect the power to jump another 20+ with a aftermarket catback.
For reference a stock 10 puts down approx 22X whp on our dyno
- Bryan
Last edited by GST Motorsports; Oct 11, 2009 at 03:05 PM.
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Oct 11, 2009, 02:56 PM
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#2
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Evolved Member
Personal Sales Rating: ( 2)
Join Date: Mar 2009
Location: USA
Posts: 645
Drives: Evolution X GSR
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Do you have the graphs with the stock turbo? I'm most interested in the difference in lag.
Great numbers! 
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2008 Lancer Evolution X GSR
Baseline - 259whp @ 21PSI *stock turbo*
Tuned - 358whp @ 25PSI *stock turbo*
Tuned by TTP Engineering - Orlando, FL
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Oct 11, 2009, 03:23 PM
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#3
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Evolved Member
Personal Sales Rating: ( 6)
Join Date: Oct 2006
Location: Minneapolis
Posts: 2,958
Drives: 05 Evo8 SSL
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Haha awesome! Stock engine cover installed still too? Very cool, I love stealth setups. Why, I have no idea, in MN we can do whatever we want. Still, I'm impressed; understated is cool. E85 next?
Also, how hard was it to remove the flapper in the stock exhaust? Have to cut it open and weld it shut?
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Oct 11, 2009, 04:08 PM
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#4
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Evolved Member
Personal Sales Rating: ( 3)
Join Date: Feb 2006
Location: NNJ
Posts: 1,533
Drives: GG Evo IX, 2001 jeep XJ
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very nice numbers
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Stockish?
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Oct 11, 2009, 09:22 PM
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#5
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Silver Sponsor
Personal Sales Rating: ( 4)
Join Date: Sep 2007
Location: Hayward
Posts: 1,885
Drives: EVO, STI
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Quote:
Originally Posted by scheides
Haha awesome! Stock engine cover installed still too? Very cool, I love stealth setups. Why, I have no idea, in MN we can do whatever we want. Still, I'm impressed; understated is cool. E85 next?
Also, how hard was it to remove the flapper in the stock exhaust? Have to cut it open and weld it shut?
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Yup engine bay looks 100% stock.
You do have to cut open the exhaust to remove the flapper.
He has plans for E85 in the future, hence the 1kcc injectors. 
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Oct 12, 2009, 12:42 PM
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#6
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Evolving Member
Personal Sales Rating: ( 9)
Join Date: Feb 2005
Location: Milwaukee, WI
Posts: 441
Drives: 2008 Evolution X GSR 2004 Evo VIII RS (sold)
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Gotta love the stealth wife spec  . E85 will do wonders for this car.
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Oct 13, 2009, 12:40 PM
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#7
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Newbie
Personal Sales Rating: ( 0)
Join Date: Dec 2005
Location: NH
Posts: 51
Drives: ****baru STi
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why spend the money and effort into a Red and leave the stock exhaust? Defeats the purpose sorta no?
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Oct 13, 2009, 12:49 PM
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#8
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Silver Sponsor
Personal Sales Rating: ( 4)
Join Date: Sep 2007
Location: Hayward
Posts: 1,885
Drives: EVO, STI
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Quote:
Originally Posted by Golfa
why spend the money and effort into a Red and leave the stock exhaust? Defeats the purpose sorta no?
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Re-read the first sentence in the first post and you will find this owners reason.
- Bryan
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Oct 13, 2009, 12:49 PM
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#9
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Evolved Member
Personal Sales Rating: ( 6)
Join Date: Oct 2006
Location: Bay Area
Posts: 689
Drives: 2006 GG IX MR
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Quote:
Originally Posted by Golfa
why spend the money and effort into a Red and leave the stock exhaust? Defeats the purpose sorta no?
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it's a CA thing
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GG IX MR - 353whp/347wtq Bryan@GST Tuned
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Oct 13, 2009, 01:21 PM
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#10
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Newbie
Personal Sales Rating: ( 0)
Join Date: Mar 2009
Location: dubai
Posts: 87
Drives: GTR R34(Sold), EVO X , Porsche cayenne S
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nice numbers
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Oct 13, 2009, 01:38 PM
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#11
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Newbie
Personal Sales Rating: ( 0)
Join Date: Dec 2005
Location: NH
Posts: 51
Drives: ****baru STi
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Quote:
Originally Posted by ChuckP
it's a CA thing |
haha probably true yes. Good answer. That's something I can't relate to at all, and feel bad for you guys :P
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Oct 13, 2009, 02:49 PM
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#12
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Evolving Member
Personal Sales Rating: ( 9)
Join Date: Oct 2007
Location: Lebanon
Posts: 397
Drives: evo 9
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Nice
Looking at the graph maybe there is another 10-20 whp gain from putting the rev limitter at
8K?
This will keep the stealth aspect
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Oct 29, 2009, 11:34 AM
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#13
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Silver Sponsor
Personal Sales Rating: ( 4)
Join Date: Sep 2007
Location: Hayward
Posts: 1,885
Drives: EVO, STI
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This Evo 10 upgraded to a RRE stealth catback.
Should be interesting to see how much power this gains over the stock catback with this turbo.
Stay tuned....
- bryan
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Oct 29, 2009, 12:17 PM
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#14
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Newbie
Personal Sales Rating: ( 2)
Join Date: Mar 2009
Location: NY
Posts: 71
Drives: Evo X MR
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Quote:
Originally Posted by GST Motorsports
This Evo 10 upgraded to a RRE stealth catback.
Should be interesting to see how much power this gains over the stock catback with this turbo.
Stay tuned....
- bryan |
Nice Setup I'm looking to go the same route with my Evo X MR because it's a Daily Driver.
Current Setup:
- Cobb AccessPORT
- HKS Panel Filter
- HKS Legamax CBE (sounds stock until WOT, then it sounds like a jet)
- Planning to add an FP Green and would like to see 340-360WHP.
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IVEY TUNED
HKS l COBB
312WHP l 292WTQ @ 25psi
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Oct 29, 2009, 02:19 PM
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#15
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Evolved Member
Personal Sales Rating: ( 3)
Join Date: Sep 2008
Location: bayshore ny
Posts: 1,152
Drives: 2008 evo 10 gsr, 2000 chevy venture L0L ex cars 2006 evo Se
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Hummm gst is e85 beast put some e85 & get a catback & that fpred will open up
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