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Thread: K&N intakes

  1. #1

    Default K&N intakes

    can they really give you better fuel ecenomy as long as you keep your foot out of it?

  2. #2
    stephan's Avatar
    Join Date
    Sep 2010
    Far West, Oregon USA,
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    Yes they can. Think of your engine as a big air pump (because that's all it really is). It's pumping air in & out every minute it's running & the easier the intake path allows the air to flow in, (or out, look at the exhaust side too) , the less energy the engine wastes trying to suck the air through a restrictive intake. But it's like you say, you have to be able to keep your foot out of it to realize the MPG gains something that's hard for most of us to do at first lol
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol

  3. #3


    Yes they can, as stephan explained.

  4. #4


    Just remember that K&N will allow larger particles to pass where other filters will catch them.
    Wix and other filter companies have done test after test showing little if any gains .
    2010 Chevy Silverado Z71 ext cab.4x4
    72 Monte Carlo 350-415 hp- sold (June 2011) to pay medical bills
    79 Impala 350 4bbl 375 hp- sold (June 2011)to pay medical bills

    "If He asks you to go a mile go two"

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