Many S550 Mustang enthusiasts have been clamoring for a comparison of a few popular aftermarket header options for the 2015 Mustang GT.
Thanks to Beefcake Racing, we now have a side-by-side and before-and-after comparison of the Stainless Works 2015 Mustang GT headers in performance connect and the ARH bottleneck system.
The comparison performed by Beefcake touches on the differences in parts, headers setup and installation. The end goal was to test both setups while strapped to the dyno, and with only 4 hours in between dyno testing the same Mustang GT with both headers — this rare comparison should answer many questions for those considering either of these aftermarket options.
Read more about the headers installation and dyno results.