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  1. #1

    Question headers???????????????????

    I'm lookin to get some headers for my 07 4.8 silverado any body have a suggestion????

  2. #2
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
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    3,386

    Default

    If you get long tube headers this will give you more low end torque but the down side is you will have to spend some extra money to keep the emissions on the truck. You are better off just getting some shortys, they will be just slightly better then stock, but every little bit helps
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  3. #3

    Default

    Ok but is there a big difference in the material. I was wanting to get some that the end pipe was 3 or 3 1/2 in.

  4. #4
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,386

    Default

    unless you are planning on building a complete new exhaust just stay with the factory size. new motors arent like the ones of yesteryear, they react poorly to big changes in exhaust by not haveing the needed back pressure. not to mention you still have to have cats on your truck sounless you are gonna drop monster bucks to replace those with bigger diameter ones

  5. #5
    Sr. Engineer
    Join Date
    Jun 2009
    Location
    San Diego, CA
    Posts
    426

    Default

    Shorties are too close to the stock manifolds to warrant the $$$ spent on them. LTs will yield the best bang for the buck and there are ways to keep the cats on there. I still have the cats on mine, just had to custom weld it.
    Black Bear Performance- Custom Tuning Solutions

    Authorized EFILive and MAGNACHARGER seller

  6. #6

    Default

    Ok I was thinking about doin shortties but I'm also ganna redo the entire system so I was thinking might as well do long tube and I'm ganna put but outs on it

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