Hey guys. I'm in the process of building up a 440 For my 1979 Exciter. I'm putting Boyesen reads in it along with boring it out. I have two questions. the first is has any body heard of a bender aftermarket exhaust for it? I know Aeen makes them and I've found few people i can order it through. Also, is their any other carb options to get it running better with the exhaust?? Such as the twin setup off an SRX or just changing out to an Mikuni of some sort? This thing ran alright when i parked it last season but she had a blown piston that was causing a heck of a racket when it was running. Any help would be apreciated.
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