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HKS 75mm exhaust dyno's inside

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Old 08-30-2010, 11:53 AM
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Default HKS 75mm exhaust dyno's inside
Thanks to S2ki member 1FastS2k we were able to test the HKS 75mm single exhaust yesterday.


2001 model year with an 02/03 ECU

Stock intake tube with Carbon intake snorkel (help me out Chris!)

Stock header, stock cat, stock AP1 exhaust for the baseline...

car made several pulls then we reset the ECU and made several more pulls to make sure the car was consistent


we then swapped out the exhaust for the HKS 75mm on the dyno and re dynoed the car, once again we reset the ECU after several pulls just to make sure the results were consistent


red line is baseline
purple is HKS














the exhaust definitely make more power than stock...and makes more power throughout the RPM range
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Old 08-30-2010, 12:04 PM
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Thanks again Jeremy, I appreciate the help! The intake is a Mugen style. Adam has some video too.

http://youtu.be/g_3wzvDAXTQ
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Old 08-30-2010, 12:11 PM
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[media]http://www.youtube.com/watch?v=g_3wzvDAXTQ [/media]
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Old 08-30-2010, 12:17 PM
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Originally Posted by adrs2k,Aug 30 2010, 03:11 PM

Sorry to go off topic, but what's up with your bumper cover? Did you cut vent holes?
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Old 08-30-2010, 12:44 PM
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^ That is a Ings rear bumper.
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Old 08-30-2010, 01:31 PM
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Nice numbers. This is untuned AP1 right? I can't believe it had such great midrange gains
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Old 08-30-2010, 01:44 PM
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Originally Posted by ap1_tot,Aug 30 2010, 01:31 PM
Nice numbers. This is untuned AP1 right? I can't believe it had such great midrange gains
correct...no tuning.... just exhaust swap
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Old 08-30-2010, 02:09 PM
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Yes untuned AP1. BTW, this exhaust sounds great in person
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Old 08-30-2010, 03:02 PM
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looks and sounds good with some decent gains.
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Old 08-30-2010, 03:39 PM
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Good gain! Now I can't wait for the UPS guy to show up.
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