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I found someone that has a 700cc engine from a 91 wildcat who claims it is a direct swap to my 90 prowler 440. I haven't seen the motor yet, besides carbs and exhaust is it the same externally? what would a guy do for exhaust since I guess the wildcat has twin pipes and a large silencer??
 

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I have a wildcat 700 efi and this engine is not the same as the 440 engine. And yes you are right it has twin pipes and a large cannister. I dont think the engine mounts are the same either. So what you are suggesting is a big modification, but everything is doable. A few years back we changed engine in an old cat to a newer one, new mounts modified pipe and changed everything else carbs cdi In retrospect i dont think it was worth it. if i where you i would get me a working sled with a bigger engine!. But thats just me, good luck to you with your project.
 
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