There is a lot of love for 15's around here! There was recently one about them "Ruling"...
This is my personal fEARful 1515/66/1, built by Dave Homer. Its a monster of a cab. Goes higher, lower, louder, and is lighter than any commercial cab in its ball park.
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This is a 39 pound Dually 215 built by Mike Arnopol. This will kick an 810 to the curb at a fraction of the weight.
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This is the new big dog in the greenboy line up: fEARless 215. This cab hits all the points of the 1515/66, but comes in 25-30 pounds lighter depending on hardware.
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All these cabs are greenboy designs built by Authorized builders. There is a LOT of love for 15's out there.