I got a Dyno Jet kit in a Package deal w/ my pipe Proflow and, K&N and, It recomended in the pamphlet to use 146-148 but, since i wanted to run without an airbox lid i put in the 148-150 and, it runs great! I went through the same confussion since Big Gun did there testing and, recommends you use the Stock Carb Companies jets. The Dyno Jets seem to be fine even thought they are smaller in # than what Big Gun recommended i looked at the holes in the mains compared to stock and, they were much bigger!

By the way i'm at the same Alt as you in Chicago Area at 500-900ft

 

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Originally posted by: caliraptor
I would run 160/165 without the lid. Dont bother buying a jet kit since the biggest jet on a dyno jet kit is 150. If ur pipe comes with jets, go ahead and use those or contact CT, they should tell you what to use with that setup. The breather filter is a small filter that goes on the little hose thats on ur lid. I got a K&N breather part # 62-1100 for like $20.
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hmm, they only go up to 150? thats funny because i have jets from 165-205 with dyno jets.
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What Im saying is that the KIT only comes with jets upto 150, but you can buy bigger dyno jets seperatly.