2009-2012 Honda MUV700 Big Red Service Manual, Page 51Get this manual
GENERAL INFORMATION NOISE EMISSION CONTROL SYSTEM TAMPERING WITH THE NOISE CONTROL SYSTEM IS PROHIBITED: State laws and Canadian provincial law may prohibit the following acts or the causing thereof: (1) The removal or rendering inoperative by any person, other than for purposes of maintenance, repair or replacement, of any device or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use; or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any personAMONG THOSE ACTS PRESUMED TO CONSTITUTE TAMPERING ARE THE FOLLOWING ACTS: 1Removal of, or pu ncturing the mufflerbafflesheader pipes or any other component which conducts exhaust gases2Removal of, or puncturing of any part of the ntake system3Lack of proper maintenance, 4Replacing any moving parts of the vehicle, or pans of the exhaust or intake system, with parts other then those specified by the manufacturer