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Old 02-09-2005, 10:42 AM   #1
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Default K&N filter?

changing the stock air filter to that of a K&N really does anything to approve airflow? or am i better just buying a stock filter again.
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Old 02-09-2005, 10:43 AM   #2
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The K&N'* flow much better than the stockers, so you will see improved power and gas milage, as well as throttle response.
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Old 02-09-2005, 12:10 PM   #3
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I don't know if i would do a factory replacement one.

http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm

If you're doing a pipe and cone filter, then you need aftermarket, but a drop in K&N might not be the best.
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Old 02-09-2005, 12:23 PM   #4
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Quote:
Originally Posted by BonneMeMN
I don't know if i would do a factory replacement one.

http://home.usadatanet.net/~jbplock/ISO5011/SPICER.htm

If you're doing a pipe and cone filter, then you need aftermarket, but a drop in K&N might not be the best.
To play devil'* advocate, different intake designs and filter sizes would produce VERY different results. Especially if you install a filter AND modify the box to allow more incoming air instead of only through the snorkel.

You can't argue with my butt dyno. When I ventilated my stock box and installed the filter, I felt it. The current setup, however, is much better.
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Old 02-09-2005, 04:48 PM   #5
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I did a drop in K&N in the Trans Sport. I didn't do it for the inproved airflow but because I will never have to buy another filter again. And with just about 260K now I think it has paid for itself.
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Old 02-12-2005, 12:57 AM   #6
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yeah ive herd that the k&n'* oil can mess up the MAF sensor, is that true?
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Old 02-12-2005, 01:11 AM   #7
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only if its over oiled... we have talked about this b4... if the filter is over oiled it will leave a residue on the maf sensor... my understanding is that even if this has been done that the maf sensor can be cleaned with a maf safe cleaner....
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Old 02-12-2005, 01:13 AM   #8
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Find me one that ever did this I've been running these filters for 20 years. The last 15 with MAF systems.
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Old 02-12-2005, 01:29 AM   #9
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u might want to check with gm before u put a k&n in ur car... i heard from a gm certified technician that it voids warrenty on some vehicles (i think its only vehicles with diesel engines but u might wanna make sure)
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Old 02-12-2005, 01:30 AM   #10
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I never had a problem eiether, and i like to make sure the oil is really covering that sucker good!
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