Quote:
Originally Posted by Ms. AntiVenom
I wonder if Trailblazer headers would work.
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The 5.3 Colorado only came out in 09, so there is not much of a after market for the Colorado. I know they make headers for the 5.3, but nothing yet for the Colorado. Love to have some AR headers like we did on my C6.
I know for sure i will start with a dyno tune then a cam later on.