K&N FIPK Filter replacement
02-21-2008, 07:42 AM
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K&N FIPK Filter replacement
I just finished up a 3.4 conversion on a '94 4runner. I used a K&N FIPK 70-9013, for CARB compliance and ease of installation. I used the ORS crossover and a 2.5" exhaust system. I decided NOT to use the stock intake system for the following reasons.
1. Both intake systems were going to take a fair amount of cutting and fitting to install. This is a 3.4 conversion into a '94 4runner, not a stocker.
2. The FIPK provides 6-7hp over the stock, proven via dyno runs.
3. KEY ISSUE - I didn't have the stock intake system. Buying the stock intake or the FIPK was about the same amount of $$.
The logical investment was the FIPK. I got 6-7hp for the same amount of $$.
The "deckplate" mod of the ORIGINAL INTAKE SYSTEM may be a cost effective way to increase HP. I might have tried it, but it is kinda hard to modify a system that you do not have. There sure seem to be a lot of people who think it works. Anyone have any documented dyno runs, before and after, for the deck plate mod, all by itself?
I am aware that K&N has a mixed reputation. I would have used an Ingen kit, but they don't make a kit with a CARB EO number.
What air filters can be used on a K&N FIPK, besides the K&N?
Once I pass the CARB smog referee, I can make some changes.
1. Both intake systems were going to take a fair amount of cutting and fitting to install. This is a 3.4 conversion into a '94 4runner, not a stocker.
2. The FIPK provides 6-7hp over the stock, proven via dyno runs.
3. KEY ISSUE - I didn't have the stock intake system. Buying the stock intake or the FIPK was about the same amount of $$.
The logical investment was the FIPK. I got 6-7hp for the same amount of $$.
The "deckplate" mod of the ORIGINAL INTAKE SYSTEM may be a cost effective way to increase HP. I might have tried it, but it is kinda hard to modify a system that you do not have. There sure seem to be a lot of people who think it works. Anyone have any documented dyno runs, before and after, for the deck plate mod, all by itself?
I am aware that K&N has a mixed reputation. I would have used an Ingen kit, but they don't make a kit with a CARB EO number.
What air filters can be used on a K&N FIPK, besides the K&N?
Once I pass the CARB smog referee, I can make some changes.
Last edited by funjumper; 02-21-2008 at 08:49 AM.
02-21-2008, 07:49 AM
#2
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Did you read up on the "Deckplate" mod. Its essentially doing the same thing, but, for a lot less money.
As for your question, I don't know off hand which would fit. Are there special connectors at the filter end of the straight tube? If not, it would seem to me that most cone-style filters would fit, since that tube should be the same diameter throughout to the TB.
As for your question, I don't know off hand which would fit. Are there special connectors at the filter end of the straight tube? If not, it would seem to me that most cone-style filters would fit, since that tube should be the same diameter throughout to the TB.
02-21-2008, 02:26 PM
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id guess that the CARB ref wouldnt know the diff between filter brands.
02-21-2008, 02:38 PM
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Dude I think they both work some say the K&N doesn't work but i chose that route. Deckplate is cost effective and you can protect induction of air more than the K&N. go with what fits and cost effective if it matters
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