Offshoreonly.com - recommend mufflers for 600HP ??

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - recommend mufflers for 600HP ?? (https://www.offshoreonly.com/forums/general-q/194888-recommend-mufflers-600hp.html)

twin whackas

09-12-2008 12:17 PM

Quote:

Originally Posted by slik22 (Post 2678566)

I am looking for thru transom mufflers for my custom 600HP supercharged and intercooled engine in my Scarab. Looking for the least amount of power loss while still losing some db's. Is this possible?

Any help would be greatly appreciated.

I have a pair of Brand new HPI mufflers for sale. I bought them for my 800hp American offshore, but sold the boat. They are for sale over on the boatfreaks website in the classifieds. Take a look and let me know if anyone is interested.

Thanks

Bawana

09-13-2008 03:48 PM

Quote:

Originally Posted by Knot 4 Me (Post 2682075)

On a pair of Merc 600's, they robbed too much HP. They are very quiet around the docks, though.

Did U have the 5 inch cans?? For over 500hp, U must use the 6 inch mufflers.

ciaoderhead

09-16-2008 12:04 PM

Quote:

Originally Posted by Elite Marine (Post 2682765)

Go with the turn downs then. Thats what I run too!

Who makes these? Do you carry them?

502stang

10-18-2008 02:20 PM

Gibson makes turndowns. I got mine from Teage and I love them. I have a 825 HP procharged 502 and it made mine sound like a stock engine going through the prop when around the dock or no wake zone. It is quieter on plane in the cockpit also.

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