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Shortys on a 99

This is a discussion on Shortys on a 99 within the External Engine forums, part of the LSx Technical Help Section category; Is it worth my time and $$$ to put shortys on a 99 M6 with TDs with cats over the ...

  1. #1
    ASE CERTIFIED BaddBird's Avatar
    Join Date
    Apr 2007

    Midnight Blue
    1999 Trans Am

    Shortys on a 99

    Is it worth my time and $$$ to put shortys on a 99 M6 with TDs with cats over the rear end with bullets.Will these limit my cam choices in the future?Or should I go Lts and dump the cats? Im not looking to build a drag car but I do plan on a cam and heads some day. I have read all the posts I can find they all pretty much favor the Lts over the shortys I get that.But are the gains from Lts worth the added $$$ money and hassel on a street car??

  2. #2
    Join Date
    Mar 2007
    Gainesville, VA
    You already have a dual set up why not go LTs especially since you plan on doing heads and cam. Just make sure you get headers with decent clearance and most people seem to have no problem. You will definitely see more power.

  3. #3
    Junior Member 151LS1's Avatar
    Join Date
    Aug 2005

    Navy Blue Metallic
    2002 Trans Am

    If you're planning on doing H/C down the road, then you should definitely go with the LTs. Shorties don't flow much better than the stock manifolds so don't even bother with them. Just go straight to LTs and you'll be much happier.

    '02 Trans Am A4
    TSP 233/239 112LSA, Yank SS3600, Dynatech LTs, Hi-Flow Cats, SLP LM Catback, Ported TB, SLP Lid, K&N Filter, SLP SFCs, Dyno-Tune, M/T ET Streets, 3.73s

    11.99 @ 113.9 mph w/ 1.666 60ft

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