Thread: Replacing stock air box with K&N Cone Filter

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  1. #1 Replacing stock air box with K&N Cone Filter 
    GT Level Member fri3dchick3n's Avatar
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    Im wanting to get rid of my stock air box and just leave a K&N Cone Filter in its place. After starting to take apart the box I ran into a smaller grey box with a bundle of wires coming from it. Can I continue to remove the box and install my filter and just leave that box hanging there? What is it?
    I tried uploading a picture of it but seems to be not working.
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  2. #2 Re: Replacing stock air box with K&N Cone Filter 
    The mod from over yonder TheOtherNick's Avatar
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    Try a search, it is the pcm. Mine just sits there. I also would have went with a dry flow filter.
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  3. #3 Re: Replacing stock air box with K&N Cone Filter 
    GrandPrix Junkie CTKGP09's Avatar
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    its the cars computer, or PCM as stated above. mine just sits below the filter too, here what mine looks like, sorry for the poor picture quality, its a cell phone pic before i got my camera but i dnt have the car right now or i would take another pic, but just do you get and idea here is my short ram

    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  4. #4 Re: Replacing stock air box with K&N Cone Filter 
    Donating Users busmech's Avatar
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    Yes it is the PCM,you should at least fasten it down with a cable tie,don't know bout your city but here in MPLS,the roads suck...potholes all over and its best not to have the PCM bouncing around.
    "Turbocharging is nice...but I'd rather be BLOWN!!!
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  5. #5 Re: Replacing stock air box with K&N Cone Filter 
    GT Level Member fri3dchick3n's Avatar
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    So its the PCM, Ok. Thanks guys, this is just a temporary mod, I will eventually get a full Cold Air Induction System. And I will definately fasten it down, these Alaskan roads aren't the best haha.
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  6. #6 Re: Replacing stock air box with K&N Cone Filter 
    GT Level Member andremike's Avatar
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    Whats the advantage to doing this?
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  7. #7 Re: Replacing stock air box with K&N Cone Filter 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by andremike View Post
    Whats the advantage to doing this?
    Of an intake?

    You've got to be kidding me.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  8. #8 Re: Replacing stock air box with K&N Cone Filter 
    GT Level Member andremike's Avatar
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    I know it sounds dumb.. or like I am dumb, but I know nothing about cars. I used to buy a brand new car every 3 years and never did a thing to them. I'm looking to see what things I cn replace on the car I have now to make it run better. I mean it runs pretty good right now, but since its 10 years old i would like to put some new parts on it.. Just don't know what to replace and what I can do myself.
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  9. #9 Re: Replacing stock air box with K&N Cone Filter 
    Resident HOMOsapien ZR1Vette09's Avatar
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    see the how-to on a fenderwell intake. but just leave the pvc piece shorter. better yet, just run open cone
    '00 Blazer- Good riddance '06 Grand Prix GT- Dead and Cool '05 Silverado- Sold '96 Jeep Cherokee-DD '97 BMW 328i-Project
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  10. #10 Re: Replacing stock air box with K&N Cone Filter 
    The Blue One blueguy's Avatar
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    Better yet, click that link in ^^THAT guys signature.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
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    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
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  11. #11 Re: Replacing stock air box with K&N Cone Filter 
    Donating Users busmech's Avatar
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    Any open cone filter will give you prolly 5-10 hp over the very restrictive,silenced stock air box...if you go to a full cold-air intake(cai) or fenderwall intake (fwi) you gain at least another 5-10 hp...the more fresh,cool air you can get is very much appreciated by your engine..specially if your supercharged.. even na (naturally aspirated) it helps a lot.. dont think of yourself as dumb not everyone knows all this stuff...Later
    "Turbocharging is nice...but I'd rather be BLOWN!!!
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  12. #12 Re: Replacing stock air box with K&N Cone Filter 
    DUI BABY Bio248's Avatar
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    WRONG.

    sorry but youre wrong. the increase in ability to flow negates colder temperatures.
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  13. #13 Re: Replacing stock air box with K&N Cone Filter 
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    ^^^
    What Bio said. Warm air=better mileage, less power. Cold, dense air=less mileage, more power. Block off the engine heat with a cone will help but having an open cone in the heat from the engine will hurt power.
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  14. #14 Re: Replacing stock air box with K&N Cone Filter 
    GT Level Member andremike's Avatar
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    So if I put an open cone filter like the pic above I can get better mileage? will the power be less then the stock? I'm not to concerned about power, but would like to get better gas mileage. How much better? Can someone post some links on what I should buy?
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  15. #15 Re: Replacing stock air box with K&N Cone Filter 
    DUI BABY Bio248's Avatar
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    you wont get better mileage because youll hear your motor more and youll in turn use the go fast pedal more.
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  16. #16 Re: Replacing stock air box with K&N Cone Filter 
    GT Level Member chickenfried's Avatar
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    ^boy aint that the truth
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  17. #17 Re: Replacing stock air box with K&N Cone Filter 
    Donating Users busmech's Avatar
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    Whether you get more power or mileage is debatable,I guess,but the bottom line is it definitely MUCH cooler sounding so I'd do it just for that,but I'm easy to please
    "Turbocharging is nice...but I'd rather be BLOWN!!!
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  18. #18 Re: Replacing stock air box with K&N Cone Filter 
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    Your HP figures are awesomely exaggerated.
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  19. #19 Re: Replacing stock air box with K&N Cone Filter 
    Donating Users busmech's Avatar
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    Well,pardon me I am not a human dynamometer,just guessing...I shall from now on keep quiet around here...
    "Turbocharging is nice...but I'd rather be BLOWN!!!
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  20. #20 Re: Replacing stock air box with K&N Cone Filter 
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    Your guesses are probably way too generous.

    Just because someone says something negative or contradictory to what you said you're going to be quiet? You never debate anything with anyone do you...
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