Welcome to Ecomodder.
Stubby is right, it all depends on where the trailer will be used most. If it's going to see mostly city driving when they lots of stop and go, it may be worth looking into. Otherwise aerodynamic modifications will be far more effective for the highway.
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Best Tank = 42.72 mpg (in the 94 Del Sol)
CR-Z Current Mods:
Max Sidewall PSI
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