Product Description
Graves Cat. back slip on systems for the 2007-2008 Yamaha R1 feature mandrel bent stainless steel tubing and titanium or carbon fiber silencers with tapered conical end caps.
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Retains the stock catalytic converter, stock head pipes and EXUP valve.
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Installation of this system will shed 1.6 lbs
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Gains of 7.1 hp can be achieved with the use of the Dynojet Power Commander and Ignition Module |