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increased power transfer
heel or toe) for your riding preference
you have a mounting option to fit your needs
our Powder Lite Munchie Muffler is the way to go
BLACK DIAMOND EXHAUST VALVE HD SPORTSTER 57-69 UTV Vehicles>>Polaris increased power transferAll KPMI Black Diamond stainless steel valves are impregnated by a special German process to a depth of . 002, with a surface build up of . 0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Black Diamond Valves are light, strong, one piece forgings with profiles that provide excellent flow characteristics.
