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Thread: COS3 or COS5?

  1. #11
    Junior Member
    Join Date
    Dec 2007
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    11

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    thanks for all the replies guys... i have the '00 to '02 upgrade done....now i just have to wait for my car to get back from the paintshop...i just bought a raptor hood for it but i can't wait to see if i did this tune right....thanks again

    Justin

  2. #12
    Lifetime Member TAQuickness's Avatar
    Join Date
    Jan 2005
    Posts
    2,940

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    Welcome to the forum 00RAPTOR. COS5 is the way to go if you're needing a custom OS. My current setup is a heads cam 383 and COS5 was the solution to daily drivability. The beauty of COS5 is that when the new build (boooooooooooooooost) finds its way into the bird, COS5 is already in place and ready to be tuned.


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