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how much horsepower from cold air box?

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Old 02-26-03, 08:15 AM
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how much horsepower from cold air box?

hey guys, I'm wondering how much more horse i can expect from a cold air box with these mods already. rb header, bonez superflow cat, rp catback, k&n cone filter?
Also, does anybody make these on the side, and if so how much do you want for one?
Old 02-26-03, 08:16 AM
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I would say like 5 at most.
Old 02-26-03, 08:19 AM
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rx-7fc

makes them out of CF or fiber glass. i am still waiting for mine. The fiber glass ones are 50 and I "think" the CF ones are like 80. I will try and get you his e-mail address.
Old 02-26-03, 08:25 AM
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S200015@aol.com That is his e-mail address. He is a nice guy but he is kinda busy so it might take a while.


There is another guy that sells the templates to make one yourself out of metal but I have never talked to him.
Old 02-26-03, 09:43 AM
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Typically most better filters and cold air boxes give you around 2% increase in HP.

Most people don't even notice a 2% increase.
Old 02-26-03, 12:22 PM
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Originally posted by Icemark
Typically most better filters and cold air boxes give you around 2% increase in HP.

Most people don't even notice a 2% increase.
That is true I have a k&n Filter with a Cold box Have not noticed the diffrence. But I dont have to worry about cleaning the filter or replacing it for a while.

Al
Old 02-26-03, 12:22 PM
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2.76435862872657823465 hp at corrected elevation
Old 02-26-03, 01:24 PM
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I built my own Cold Air Box out of aluminum, but not so much for any horsepower gain. It's really meant for engine longevity. I don't have any scientific support on this, but I figure reducing or eliminating hot air at the intake could only benefit the engine in the long run. On an N/A, I think any horsepower increase would be inperceptible. The only noticeable difference I noticed with regard to engine behavior was a slightly improved throttle response in the hot weather months.
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