Quote:
Originally Posted by BonzoHansen
Not to be smart, but if you don't want performance gains why install headers, and off road y-pipe and cutouts? I think a tune us necessary if you make that big a change. Maybe I'm reading that wrong.
I'd leave the heat shields since GM thought they were necessary. But I defer to the LS specialists on that.
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I'm not looking for performance gains on this tune because I am getting dyno tuned at ssp when I add an ls6. I was under the impression you NEED to run 02 sims or tune the rear 02s out...