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What I want to know is can a person make 270 hp with out a headshim on the alpine or boost it kits, and I dont mind running straight av gas. I would love to try both.

My wifes 08 fts 121 shorty with a precision sprots reflash

#330 OF 400 MIKE HOULE EDITION MACH Z

awesome

My neighbour has a blair morgan 440/800 dangler.... its half retarded !!

Sweet customs , a fanner is a cool idea

sweet sounds like a blast and I bet yank the skis at will.

I rode a polaris fst 121 and had a blast bangin creeks and ditches this year. I usually ride mountains so this is new to me.

I went from a yamaha turbo to a xm 163 stock. I now want to sell the xm and go to a viper.

Does anyone know what these come with ?

174 doo. Personally for me a 270hp viper because I like power.

I agree 100 percent

Any comparisons out there ?

I wanted to see how they handle in the trees. No intentions of riding in a medow. I do understand your concern tho.

Would have had more people to try out the vipers if they would have come down to the cabin.

Are you guys going to get boss nos to work on xm sleds ?

I want to pull the trigger on both a boost it and a 270 mcx.I went back to 2 stroke last year but its not the same. I still ride my RX1 on deep days and love that power.