You get rid of the weight off the nose of your car, and "some" (debatable how much) parasitic loss off your rotating assembly.
p.s. I have a delete kit for sale. Contact me privately in an email. mailto:drudis@ford.com
(Very similar to this one pictured)
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Darius Rudis
Roadracer: Home built t-arm/panhard suspension powered by an S-trimmed motor :-)
My Mustang Page