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removing cats completely.

Originally Posted by tjlazer From the dyno results I have seen, it's not 40HP with HFCs. It's 8-10 (with testpipes), and around 4-5 for HFC's. The Cat back can net

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Old 03-30-2010, 12:35 PM   #1 (permalink)
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Originally Posted by tjlazer View Post
From the dyno results I have seen, it's not 40HP with HFCs. It's 8-10 (with testpipes), and around 4-5 for HFC's. The Cat back can net upto 20HP, and another 17 or so from a CAI.

So with ricer math (which seems to work on the Z34) you should see around 25HP from just a catback and HFC's, and around 30 with catback and no cats at all.
8-10 and 4-5 huh? how about 15whp? Thank you Red370, you're so f'in cool!

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Old 03-30-2010, 05:04 PM   #2 (permalink)
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8-10 and 4-5 huh? how about 15whp? Thank you Red370, you're so f'in cool!

Berk HFC dyno results
Truth.
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Old 03-30-2010, 05:32 PM   #3 (permalink)
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Truth.
What about when combined with a Cat back? Is it still 15WHP? If so that is amazing and hard to believe.
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