Hummer Forums by Elcova - Do i need a tune after long tube headers

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crazygn

09-21-2011 02:50 AM

Do i need a tune after long tube headers

I need header since i have busted bolts on the stockers. Should i have a tune done after long tubes installed if so i'll stick with shorties.

charles06

09-22-2011 06:02 PM

Re: Do i need a tune after long tube headers

To get the most out of long-tube headers, probably.
If you're worried about CEL's, no.

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