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Exhaust cutout

This is a discussion on Exhaust cutout within the External Engine forums, part of the LSx Technical Help Section category; Originally Posted by Mr. Luos Remember, I am also nowhere near stock with my set-up. Might be much later that ...

  1. #41
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    Quote Originally Posted by Mr. Luos View Post
    Remember, I am also nowhere near stock with my set-up.
    Might be much later that a cutout would pick up power for a near stock LS1.
    her's my dyno sheets back when i had one of those things on my stock car with a SLP airlid.

    closed
    http://stealthram.com/familypics/for.../slpairlid.jpg

    open
    http://stealthram.com/familypics/for...cutoutopen.jpg

    yes, it made more peak power. unfortunately, it made much less on the low and mid range. at the track, on nitrous, i lost .1 in the 60ft and gained 1 mph in the 1/4. overall gain et wise was .02. i took it off and went with the bassani tru-duals and picked up three tenths.
    Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge

  2. #42
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    Quote Originally Posted by sunsetorangess View Post
    I dont have any pics but i put mine in the I pipe about a foot befor the bend over the axle, its almost like our cars were built for it there. No clearence issues and noticed a bid difference. Both in Power and ofcourse sound. I wont ever close it and for 30 bucks and an hour of work i love it. I got dyno time that says it helps out in the mid to top end range. You only need one cutout.
    J

    here's pics of where you are refering to. it's where i put mine.

    http://stealthram.com/qtpcutout.html

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