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Old 03-27-2009, 03:33 AM   #1
1nz
 
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Originally Posted by jouna View Post
2 1/4 straight pipe from the header to the muffler and in the middle a cut out the cut out gives you like 9whp more so its a very good gain
You dyno'd the car already, meaning to say u remove the 2 cat and the resonator, straight pipe?
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Old 03-27-2009, 07:55 AM   #2
jouna
 
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Originally Posted by 1nz View Post
You dyno'd the car already, meaning to say u remove the 2 cat and the resonator, straight pipe?
i haven't done dyno yet but normaly this is what it gives to a car... i have a couple of friends that have different cars and its kind of the same gain
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