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Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

Average cold air hp gain

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Old Mar 17, 2009 | 06:45 PM
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Each 11F drop in temperature inside plenum is worth 1% density increase.
Typical losses in front of MAF [intake and air filter] are less than 7" water column or 1/4 of a PSI or 1/4 of 6.8% ~~~= 1.7%
 
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Old Mar 17, 2009 | 08:05 PM
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Originally Posted by 5150DS
Don't forget about the wing (only if it looks like a shopping cart handle) adding 50 whp.



if its lit up even MORE bonus


but on the real.. OP dont start down this path.. otherwise ur gonna start doing ricer math.. just put them n over time when you have accumulated enough mods they will all work together etc..
 
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Old Mar 17, 2009 | 08:12 PM
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Originally Posted by 5150DS
Don't forget about the wing (only if it looks like a shopping cart handle) adding 50 whp.
That's only if your car is FWD...
 
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Old Jul 6, 2021 | 11:01 PM
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Originally Posted by 5150DS
I would say at least 20 whp, if not more.
really? 20 hp you feel in your butt. Not true.
 
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Old Jul 9, 2021 | 08:41 PM
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Ossum necro.
 
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Old Jul 24, 2021 | 07:01 PM
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6 speed G35 sedan
Intakes are a supporting mod to help you maximize the gains after you do the intake spacer and test pipes/high flow cats.
 
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