manifold riser

Brand new, 6 feet of trident core marine exhaust hose-flexible prt number 252-4000, paid $32 a foot and didnt end up using for repower but could not return to defender marine because they cut them to length ordered. Piad $252 with tax and shipping a few weeks ago. Asking $175 located in RI...

My boat is freshwater only, relatively low hours for an '87, and the manifold is a bit rusted and has been leaking slightly for a few years. Engine has been well maintained and running great. It seems to be cooling ok, though one side seems a bit hotter than the other. I've been afraid to try...

My boat is freshwater only, relatively low hours for an '87, and the manifold is a bit rusted and has been leaking slightly for a few years. Engine has been well maintained and running great. It seems to be cooling ok, though one side seems a bit hotter than the other. I've been afraid to try...

I rebuilt the starboard engine this winter. Mercruiser 8.1s. I am looking at Sierra manifolds and riser. Freshwater boat. The boat is 15 years old. I only absolutely know it’s history for the last 3 years. It does have a known history of having been in saltwater for its first 3 years in...