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Discussion Starter #1
I was wondering if anyone knew what the HP increase is from installing a K&N air filter alone. I know that they don't have the CAI out yet for the 08 and newer models. I was just wondering what kind of increases I could expect from this cheap upgrade on the 3.6 L. I am just trying to find a relatively cheap way to squeeze 10-15 HP out of the motor to get it up to the 08 CTS/ 07 Enclave/07 Acadia...etc power of about 263 HP instead of the 252 on the Bu. Any ideas would be appreciated.
 

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I would not turn down the K&N filter, but you're looking at about 5hp increase...max.

Personally, a cold-air would be the best option and the wait will be more than worth it. I plan to invest in one for my 2.4L once it is released.
 

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If you are looking to find HP - I don't think you will see much if any with the airfilter only. the 3.5L is only suppose to give you 5-6 HP with the complete intake done.
As for the filter only, the Amsoil filters are cheaper, last longer, and have a higher airflow with better filtering. Just a fan, but check them out online at Amsoil.com

my two cents,

Graham
04 Maxx
 

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Ahhh - they only list the Amsoil filter for the 3.5L. I'm going there tonight hopefully, I'll see if they are expecting one soon...Wix is just a normal filter as far as i know. not the high efficency filter.
 

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Discussion Starter #6
Thanks...if anything I'll at least wait for the intake to be released. I read on a different thread that the only difference between the 252 Malibu and the 263 CTS is flash programing. Is that true? I am sure that would be a much more expensive modification.
I will also check out the Amsoil info...Thanks Again
 
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