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  1. #1

    Default Do K&N cold air kits actually do anything on a Silverado?

    I had a cold air kit on my 2008 Silverado, but after getting my 2013 I decided on not getting one but instead just got K&N drop in replacement filter.

    It looks like on the Silverado that the K&N cold air intake uses a similar intake location as the stock setup uses. Is it that the cone shaped filter is a better design?

    Thanks.

    - - - Updated - - -

    After looking around, it looks like getting an Airaid MIT (Modular Intake Tube) is a good choice.

  2. #2

    Default

    I agree stchman, IMO, the factory setup is a CAI. K and N might provide a little less restriction and a better intake tube is a good choice. Which brings up a question, there are sound baffles in the factory tube, do the streamlined tubes produce additional wind noise?
    Ray

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

  3. #3

    Default

    Quote Originally Posted by RayVoy View Post
    I agree stchman, IMO, the factory setup is a CAI. K and N might provide a little less restriction and a better intake tube is a good choice. Which brings up a question, there are sound baffles in the factory tube, do the streamlined tubes produce additional wind noise?
    Yes, when I had a K&N CAI kit on my 2008 Silverado, I did notice a louder sucking sound coming from under the hood. Apparently the resonator chambers in the stock tube are designed to muffle the sound. The muffling of the sound does appear to create some restrictions in the air flow.

    Indeed the factory setup does appear to be a CAI type. The CAI for the Silverado from K&N runs about $240. A drop in K&N filter is $40 while a stright tube is ~$120. You can save $80 or so by going this route.

    Now the cone shaped air filter that comes with the K&N kit does have quite a bit more surface area and is probably a better filter than the drop in filter, but I cannot substantiate this.

  4. #4

    Default

    I have a Volant CAI (and scoop) because I bought my truck used and it came with an Outlaw CAI (no longer made). After years of apparent service the special Outlaw filter fell apart and could not be replaced. Thus, I tossed a Volant under the hood because I needed a more standardized air box and liked how it looked and sounded in @aloxdaddy99's truck.

    That said, if I had never had the Outlaw or the Volant (i.e. if my stock air box was what was in the truck when I bought it), I'd have removed the stock airbox, cut the bottom out of it, placed it back in the vehicle and called it 'done'. I know @aloxdaddy99 espouses this, too ... and he's running a Volant, as well.

    That's nothing bad to say about Volant -- we like how our Volants look and sound. Rather, it's both of us trying to tell people that CAI's promise the world ... and do very little aside from alter the way things sound for the money you spend on them. You might see a few extra ponies at WOT by using a CAI ... but you can probably get most or all of those ponies for free by cutting the bottom out of the OEM air box and calling it 'done'.

  5. #5
    Master Mechanic silverhobey's Avatar
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    Default

    Quote Originally Posted by SurrealOne View Post
    I have a Volant CAI (and scoop) because I bought my truck used and it came with an Outlaw CAI (no longer made). After years of apparent service the special Outlaw filter fell apart and could not be replaced. Thus, I tossed a Volant under the hood because I needed a more standardized air box and liked how it looked and sounded in @aloxdaddy99's
    Surrealone: what is WOT.....thanks...Brian from Canada
    That said, if I had never had the Outlaw or the Volant (i.e. if my stock air box was what was in the truck when I bought it), I'd have removed the stock airbox, cut the bottom out of it, placed it back in the vehicle and called it 'done'. I know @aloxdaddy99 espouses this, too ... and he's running a Volant, as well.

    That's nothing bad to say about Volant -- we like how our Volants look and sound. Rather, it's both of us trying to tell people that CAI's promise the world ... and do very little aside from alter the way things sound for the money you spend on them. You might see a few extra ponies at WOT by using a CAI ... but you can probably get most or all of those ponies for free by cutting the bottom out of the OEM air box and calling it 'done'.
    Surrealone:. What is WOT?? Thanks....Brian from Canada
    Silverado Crew.....4.8 L

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  6. #6

    Default

    Wide Open Throttle..............Ray, from Canada, hahahahaha

  7. #7
    Master Mechanic silverhobey's Avatar
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    Default

    Quote Originally Posted by RayVoy View Post
    Wide Open Throttle..............Ray, from Canada, hahahahaha
    that's hilarious..thanks, I think .....any snow down there??
    Brian from Ontario

  8. #8

    Default

    Quote Originally Posted by silverhobey View Post
    .any snow down there??
    Brian from Ontario
    Haha, nope, not yep, long range is calling for a little next week, only 1/2 cent, or so, won't last. A little cold this week, looking for some + temps next week.

  9. #9

    Default

    I ended up buying the Airaid MIT. I had to pay $113 shipped for what was essentially a long black plastic tube, but it was the best price I could find. I got it at:

    http://www.4wheelonline.com/

    If anything it will sound better during WOT.

  10. #10

    Default

    If you're thinking it gives you more power over the stock set up, it does NOT.
    1994 Chevy K2500 Silverado, 454 (modified), original owner.
    And other vehicles and toys.

    "...If you can meet with triumph and disaster
    And treat those two imposters just the same;
    ...you'll be a Man, my son!" Rudyard Kipling

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