I have a 502bbc with the stock silent choice system. I am upgrading the motor to run 600+hp and need an exhaust. Stainless marine is ideal but will consider others. I want to keep the silent choice system. The boat is a 2000 26' Sonic Prowler. Whatcha got?

I have one set of these. Do you think you could use them ?

I have a set of stainless marine exhaust with the short risers for silent choice. Never been used. $1500.00 and Ill ship for free
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You may want to reconsider the "silent choice" with 600 hp. idea. You might want to consider a 500 Bull dog style Gil or Stainless Marine tail pipe with the swim platform you have on the Prowler and use in internal baffling muffler or an external air actuated muffler like CMI has. You will may get water in your engine with 600 hp and "Silent choice" on a Prowler thru your exhaust system.

Good luck with your project.

i have stanless marine manifolds, risers, and thru hull exhaust. pm for pics.