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Headers and convertor question

This is a discussion on Headers and convertor question within the External Engine forums, part of the LSx Technical Help Section category; Hey all, I have a 99 30th anniversary T/A convertible. I want to put headers on it but have some ...

  1. #1
    Junior Member
    Join Date
    Jan 2006
    sarasota florida

    99 transam

    Headers and convertor question

    Hey all, I have a 99 30th anniversary T/A convertible. I want to put headers on it but have some concerns on all this info I see as far as bottoming out and y-pipe banging etc. Anybody out there got headers on there convertible? My understanding is the convertible is difficult to get the y-pipe on correctly. If you all have some recommendations on what would work correctly please help me out. I contacted QTP and they said I would have to alter there y-pipe for the convertible. Also the shop I take my car to put an 8" 2800 stall convertor in it, I love it but people have told me I should have had a 10" convertor put in. What is the major difference on these convertors? Any help from you all would be appreciated. Basically I do not want to put any header on that is going to cause me fit and or banging problems, just want a real good professional fit , finish and functionality.


  2. #2
    Member Huskerz1's Avatar
    Join Date
    Sep 2005

    99 SS Vert M6

    I've got shorties on my vert. Not as much gain as Long tubes but no issues with fit and finish either. Sorry, don't know much about converters. I have an M6. My guess is that a 10 in. converter is stronger.

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