K&N Air Filter vs. Intake

[mattjones]

I've been messing around a little lately looking at K&N CAIs for my '08 Tahoe, but I already have one of these K&N filters in the stock intake. Anyone have any idea if I would see any noticeable performance increases by going from a K&N filter to the full K&N CAI? I'd want to get a boost in hp and mpg if I shell out the money for it. Any differences in sound as well?

Also, I already have an exhaust. The Tahoe had it when I bought it so I'm not sure what brand it is, but I think it's a Borla.

 

[ccapehartusarmyINF.(ret)]

you will see absolutily no performance increase by slapping on a CAI there go with other mods exhaust etc CAI with a factory tuned PCM injectors etc are pretty much useless
you lean out your mix to much

 

[Ranchero64]

Get the airaide modular intake. It's just the tube, so you don't have to buy they whole thing over. There is an article out there that recommends that setup too. I did it step at a time and I'm happy.


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[ccapehartusarmyINF.(ret)]

yes the intake hes talking about is what you want dont pay 300 bucks for a K&N POS that actually hinders your performance

 

[Ranchero64]

http://www.tahoeforum.com/showthread.php?t=526010


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[Gatorlac]

you will see absolutily no performance increase by slapping on a CAI there go with other mods exhaust etc CAI with a factory tuned PCM injectors etc are pretty much useless
you lean out your mix to much

BB did an independent test and it didn't llok like "absolutely no increase"

I'll be getting an airaid soon MIT soon with a WIX paper filter

 

[tazjamin]

i just paid $140 for a k&N filter but no name intake tube and it looks nice and works well it was actually a good design and i even got the tube in black. i was real happy about it, it had the filter i liked and it installed just like my air raid on my 04 silverado

 

[mattjones]

Alright, so it sounds like the general consensus is to keep the K&N filter and just install an Airaid MIT?

 

[tazjamin]

it looks better and gets rid of all that unnecessary plastic on the intake if you put a tube on

 

[nick2440]

The problem with K&N and other CAI Kits is that every vehicle responds differently to them. The sound will be a little louder from the engine with the tube because the stock intake is designed to make the engine quiet.

As far as "feeling" a difference i dont think you will. It might give you 5 extra HP but you wont be able to tell

 

[shofzr]

The sound is much better (deeper) than the stock setup.

The first few weeks my MPG went way down because I couldn't get enough of the sound.

After going back to normal driving style MPG was nearly the same as before.


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[Mikes07]

I'm getting a rattle/vibration with my Airaid jr kit? Checked it all out, I
All clamps are tight? Anyone else have this issue?

 

[nick2440]

Check to see if anything is touching the intake that might cause a rattle when the engine is running. Maybe the movement of the engine is making something else touch the intake in the engine bay.

 

[Jmat]

^^^^ What he said. As for performance, the only thing you'll notice is that the truck will sound differently during acceleration. With that said I went with an AEM Brute Force intake... it simply looks cool.