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  1. #41
    Blue/white 06' 2112's Avatar
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    Feb 2010
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    People's Republic of Washington State
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    4,367

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    Quote Originally Posted by stuntman View Post
    My comment was in regards to slip joints leaking for turbo applications. I have not looked into the testing of headers on that engine, but i'd be surprised if you couldn't get at least 5-10hp gain from a properly designed set.
    Even if it was zero net gain, headers are beautiful.

  2. #42
    GT Owner MTV8's Avatar
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    Jul 2010
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    Houston Texas
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    868

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    Quote Originally Posted by stuntman View Post
    I'm glad to see you keep the stock airbox and not an open element filter that would suck in hot air.
    Some good dyno results have been reported with aftermarket intakes.

  3. #43
    GT Owner junior's Avatar
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    Mar 2007
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    So Cal
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    1,061

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    Quote Originally Posted by Heffner Performance View Post
    We have experimented with other variations of air filtration systems and not seen any measurable gains at the 1,000 wheel horsepower mark.
    Priceless

  4. #44

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    Quote Originally Posted by MTV8 View Post
    Some good dyno results have been reported with aftermarket intakes.
    I'm Aire, when the hood/clamshell is open and it gets to gulp in ambient air. But in reality, with a closed hood/clamshell, open element filters suck in hot engine bay heat and make less power on the road.

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