IS F (2008-2014) Discussion topics related to the IS F model

SRT Intake versus JoeZ Intake

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Old 04-17-09, 08:26 AM
  #16  
Juanca
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I didn't say that, it's hard to tell from the graph only, we need the actual dyno pull to find out the gains. The graph shows a good improvement over stock though, I think I'll be buying one...


Originally Posted by LexISguy
In other words not much power is being gained. The JoeZ is a better value.
Old 04-17-09, 09:50 AM
  #17  
LexISguy
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Juanaca I mistunderstood you, what I got from your comment was the 28hp was at its peak and not actual gain over stock ie: 416+28=444hp......
Old 04-17-09, 12:49 PM
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Juanca
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Hey LexISguy, don't forget that these gains should be to the wheels, that's why there is a dyno graph.
Old 04-17-09, 03:01 PM
  #19  
btwanky
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Originally Posted by Juanca
Hey LexISguy, don't forget that these gains should be to the wheels, that's why there is a dyno graph.
yah that means it would be something like 28 whp.. which would be equal to like 35-38 hp to the crank... which is about 8% gain.. sounds like BS
Old 04-17-09, 03:11 PM
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dojoman
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Stock intake sounds pretty good already, why would you replace it with other pipes?
Old 04-17-09, 04:48 PM
  #21  
LexISguy
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Originally Posted by btwanky
yah that means it would be something like 28 whp.. which would be equal to like 35-38 hp to the crank... which is about 8% gain.. sounds like BS
OK but it does sound suspect if the JoeZ exhaust gives about 22-25whp, then k&n claimed numbers are exagerated.
Old 04-18-09, 10:10 AM
  #22  
LexISguy
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I removed the SRT and have the JoeZ on order.....
Old 04-18-09, 12:34 PM
  #23  
ISF-88
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28 whp from K&N intake does sound exaggerated but who knows, I can see the ISF gaining maybe 15 whp from it or maybe more. There have been alot of dyno plots on other cars gaining 20 whp from just an intake. I have K&N on the order and will be testing it so we'll just see how it goes.
Old 04-18-09, 12:50 PM
  #24  
TinCan
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For fun what are the prices to hp ratios lol
Old 04-18-09, 06:27 PM
  #25  
8speed
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Originally Posted by LexISguy
OK but it does sound suspect if the JoeZ exhaust gives about 22-25whp, then k&n claimed numbers are exagerated.
K&N

Originally Posted by LexISguy
I removed the SRT and have the JoeZ on order.....
SRT Joe Z

Originally Posted by ISF-88
28 whp from K&N intake does sound exaggerated but who knows, I can see the ISF gaining maybe 15 whp from it or maybe more. There have been alot of dyno plots on other cars gaining 20 whp from just an intake. I have K&N on the order and will be testing it so we'll just see how it goes.
15 whp from an intake

I have an ocean front time share in Arizona if you're interested


Not likely!
Old 04-18-09, 07:18 PM
  #26  
LexISguy
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Originally Posted by 8speed
k&n



Srt Joe z



15 whp from an intake

I have an ocean front time share in arizona if you're interested:d


not likely!


lol............
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