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want to go to thru-hull/under swim platform exhaust on my scarab/concept, if any of you know these boats you will know that they are wayyyy tight. I know that I will have to remove the y pipe, not an issue. Also wondering if I don't have room for 4'' bends if 3" will give me any benifits on a big block? I am pushing 400hp. 23 Concept has awsome exhaust on his but I really want to hide it under the platform. Thanks
 

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23scarab said:
want to go to thru-hull/under swim platform exhaust on my scarab/concept, if any of you know these boats you will know that they are wayyyy tight. I know that I will have to remove the y pipe, not an issue. Also wondering if I don't have room for 4'' bends if 3" will give me any benifits on a big block? I am pushing 400hp. 23 Concept has awsome exhaust on his but I really want to hide it under the platform. Thanks
gonna be real tight under the platform, ours dumps over the platform.
 
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