i have DnL on my flyeagle F-14 and they do just fine i will put restrictors on my doors like Fenderbean did although i do like the solid slam close feeling...Dnl said they have a ABS brake system coming out i don,t know if it has or not i told them to let me know i would put one on F-14. i have this on a 6 volt setup [youtube]http://www.youtube.com/watch?v=Bxi7kkGSflc&feature=mh_lolz&list=LL1WaEE_c 9ZzlJ8gxRhdcrkw[/youtube]