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  1. 0

    led cubes into sierra/denali headlights for high beams

    Where are you gonna put them?
  2. 0

    Denali Bumper Lightbar Install

    I have some custom mounted LED fogs which I have another thread on (you can see them in the pictures). I like them so much i decided to add a lightbar but I didnt want it to be very noticeable. I selected the location of the lower grill and decided to do a non-welded installation so anyone at...
  3. 0

    Electric fan upgrade

    Depends on the year truck as to how easy it is if you want the pcm to control them. For my 04 I bought the fans, a Nelson harness, and turned them on in the tune. Very easy. Search around performance trucks for all the details.
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    MAF sensor connected to transmission?

    Mafs tell the computer about engine load. Engine load dictates shift pressures and timing. Quite simple.
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    DIY Exhaust Thread-Dynomax Bullet

    The only thing you are left with at this point is to reinstall, and you will mate your muffler exit to your tailpipe inlet which mine was approx 14 inches away from each other. I would recommend a mandrel bent 90 degree. If you make your cut very carefully, it will basically bolt the two...
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    DIY Exhaust Thread-Dynomax Bullet

    Total length of the stock assembly we removed: Total length of our new Y merge and muffler, directly connected to each other: Factoring in a little bit of room at the backend for our bend, we want to subtract these two figures, and cut the stock pipe somewhere in that vicinty...
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    DIY Exhaust Thread-Dynomax Bullet

    Here's a tidbit, always nice to find these under the truck during your initial inspection. First thing we have to do is get this pipe down to a manageable size and off the truck. There are a few simple steps to make this happen. One, the hanger just to the rear of the muffler should be cut...
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    DIY Exhaust Thread-Dynomax Bullet

    Just beyond that are the disconnects. Spray them with wd40 while you are poking around under there. One is a ball and socket type connection with a flange on both sides. Two nuts disonnects this. The other is a slip fit that has a clamp on it. One nut for this one and whouldn't ya know they...
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    DIY Exhaust Thread-Dynomax Bullet

    So I picked up this 2004 Yukon Denali about amonth ago. Here's some pics: I really like the truck so far, but I been debating on doing an exhaust system on it. I decided to just go ahead and bite the bullet. As a back story, I helped a buddy who has a Sierra 2500 HD setup a...
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    LED Fog Light Conversion for Denali

    [/COLOR]Remove the stock light by two pushpins and unthread that wing nut. Place the LED in the bracket and you can see the general location you want it to be mounted. We are going to cut and remove the entire lower portion of the bracket as it won't be used and focus on just the top plate...
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    LED Fog Light Conversion for Denali

    I'm not sure what all models this will interchange with, but our specimen for today is a 2004 Yukon XL Denali. Here she is: So, here is a little closer picture of a stock fog light. Its basically all plastic, weighs next to nothing, and generally seems like a $0.02 part. I've tried it...
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    New Denali User

    Wanted to say hey, I have a few little write ups Im gonna post soon. Mods are tune by HPTuners, Efan conversion, exhaust, Cold air intake, 22" u2-55s and LED Fogs....

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