PSI Twin pipes for sale

Do you still have the pipes and do you have any jetting specs for the carbs that psi would recomend with these pipes? Thanks
 

i dynoed a set on a 800 years back and they made 160 hp but at only 7900 rpm/ Had a very hard time to get it loaded there. when we did it blew up thus needed more fuel because it made more heat whenit was in the range. If i had a crank for my 800 i would buy these because i know they make power. But i need a crank before pipes lol
 
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