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They definitely are an improvement-as far as time and money, I think some of the prices are a bit outrageous, but I like to fabricate my own stuff anyway
i love my duff arms. now they were a bit pricy (at the time i got them for just under 500 bucks through a mass buy. i believe they have went up to the 600 dollar range now days. if you can afford them i dont see how you wont like them. its a major difference while flexing than with the stock arms
