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stevehaolecrab

09-11-2004 03:39 PM

OMC 460 Cobra exhaust risers

Any suggestions on where to find stock risers? It seems nobody makes replacements (aftermarket) and there is a "national" backorder until Dec. from Bombardier. These are for a Donzi 33.

mopower

09-11-2004 04:14 PM

Re: OMC 460 Cobra exhaust risers

Depends on how desperate you are , but I had a 460 KC and used Imco Powerflows for a BBC with adapter plates that were also made by Imco.
If you compare a BBF and BBC exhaust gaskets you'll find the centerline on the ports are almost identical. The adapter reshapes the ports and relocates the bolt holes. It's even tapered at the top to cause the riser to tilt inward to it's original location :cool:

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