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Headers & Borla Cat back question

This is a discussion on Headers & Borla Cat back question within the External Engine forums, part of the LSx Technical Help Section category; I want to install long tube emission "friendly" headers with high flow cats but I already have a Borla cat ...

  1. #1
    Junior Member Ponti-MANIac's Avatar
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    2000 Pontiac Trans-am WS6

    Headers & Borla Cat back question

    I want to install long tube emission "friendly" headers with high flow cats but I already have a Borla cat back system installed. What modifications if any will I have to make to the Borla to get the whole system to fit.

  2. #2
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    youll have to get the headers with a catted y pipe.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  3. #3
    Quote Originally Posted by Ponti-MANIac
    I want to install long tube emission "friendly" headers with high flow cats but I already have a Borla cat back system installed. What modifications if any will I have to make to the Borla to get the whole system to fit.
    it depends on which header system your going with. i'm going with the dynatech supermaxx system along with either a borla,magnaflow,or gmmg. i'm not sure yet. if you went with the supermaxx all you would have to do is maybe open up the borla pipe a little to slide the supermaxx y-pipe in. the supermaxx comes as a package of all emmissions stuff,high flow cats,y-pipe and hardware. they may seem on the expensive side but its the whole kit and the quality is top notch with qtp and kooks

  4. #4
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    99 TA

    i have a borla catback and just installed kooks LT and catted Y last year. they slipped on easily

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