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Discussion Starter #1
I've read several posts where people have said that they have the 63 series K&N intake, but when I put my truck info into K&N's website the only intakes it shows are the FIPK and 77 series. Do they not make the 63 series for my truck (truck info in signature), or do they just neglect to metion it? If the 63 is available for my truck, which do yall think is better...the 63 or the FIPK? Thanks in advance for the info!
 

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I researched the 66 on the Summit Racing website it shows applications for 2 and 4-barrel carbs so that would not work. As far as the FIPK and the 77, they will both work for your application and the FIPK shows more HP gains than the 77 (11+ compared to 8+).
 

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Discussion Starter #3
I researched the 66 on the Summit Racing website it shows applications for 2 and 4-barrel carbs so that would not work. As far as the FIPK and the 77, they will both work for your application and the FIPK shows more HP gains than the 77 (11+ compared to 8+).
Not the 66...the 63 :rules:
 

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The 63 series is basically the FIPK but it's not carb certified yet. It's is basically the same thing just a newer version. They don't make the FIPK for newer GM trucks at all. The 77 series offers less hp because of it's polished metal intake tube. It gets hotter then the plastic, so less power.
 

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Discussion Starter #6
Thanks for the info guys! A big help as usual!! :great:
 

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Which K&N CAI would work for the 4.3L V6? (Sorry to hi-jack but I thought it was better than asking the same question in a whole new thread)
 

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noob, they make the 63 series for your truck. Part number 63-3038. Dyno results show about 8.2 Hp gain over stock. :great:
 

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noob, they make the 63 series for your truck. Part number 63-3038. Dyno results show about 8.2 Hp gain over stock. :great:
63 series is for the 4.3 V6.


This is the link for the 63-3038.

This is the link for the application list for the 63-3038.
 

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I didn't see one for the new acadia but that doesn't mean there isn't one out there. K&N makes a replacement filter for 63 bucks. It's part number 332394
 

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I just put on a 63 series kit a few days ago and noticed a huge difference in throttle response. It really helps out the little 4.3l. I will see how mileage is in a few days.
 
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