I did the old research a while back, and I found the DOT approval requires both non-removable ends (even though they may be of lesser quality, I guess they feel they have less chance of loosening or being badly installed) and a plastic sleeve on the lower end of the hoses. Sleeve is there to prevent sand from entering the stainless webbing, and chaffing the inner line. That one makes more sense to me than the crimped ends.
Marco Tatta 98.5 SE MTX, Duratec EGR block, fog light fix, custom shift boot, monsterflow intake, Ecotek valve Quasi dual cardoctor exhaust. Hacksaw short shift, Momo race "s" carbon knob, ghetto rear strut bar, 16 inch cougar wheels with 225/50/16 kumho 712s
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