Here you can find head flange gaskets, tailpipe gaskets, rope seals, jumper hoses, distribution tube hoses and many other accessories for your CMI headers. For the Do-it-Yourself tailpipe fabricators, you can find Custom Marine Flex Flare tailpipe stubs and stainless steel inner and outer bends, as well as tubing sold by the foot. CMI offers a variety of water pickups and stainless NPT fittings to plumb your system. Complete Custom Marine thruster kits, designed for tow boats, are available for any make and model. Also find replacement propellors, DC motors and thruster controllers.