straightline performance viper header

DYNO TESTED, this new Yamaha Viper/Arctic Cat 7000 series header is the first full production header proven to perform on the dyno and in the field. Straightline says gains of up to 10 hp occur with improved torque and power band with this header. It comes with a complete Dynojet Power Commander mapping available. It is a true stainless tri-merge collector with a turbo capable stainless flex connector. Cost is $700. More info:, 651-466-0212
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