1.75" compared to 1.875" headers, RESULTS!!!
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1.75" compared to 1.875" headers, RESULTS!!!
Today we baselined my 2008 AWD Sierra Denali. Kooks catted 1.75" long tube headers. We then took those off and installed a set of American Racing headers catted 1.875" and re-dynoed it. The results are surprising.
Jeff
LMT
Jeff
LMT
#7
That is crazy, I have seen so many different dyno sheets between the battle of 1.75 vs 1.875" primaries its not even funny....every single vehicle responds so differently. Nevertheless, thanks for reporting the results!
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Very easy to say yes I'm positive on the results. I made the Dyno pulls on my Dyno. I'm quite positive on the 4 pulls I made with both sets of headers. The proof is in the graphs. I gain nothing by posting the results. We took my kooks headers off. Installed the ARH headers. And reinstalled my kooks for the soul purpose to see the difference.
Jeff
Jeff