OK I see now, I wonder if you had a piece made up the same length as the muffler and replaced the muffler with it then when it came time for the smog check you could just put the muff back in do the check then start over. It only happens once every two years.

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Winger
2008 2500 Silver 4x4 6 Speed Auto Big Horn Edition Volant CAI Magnaflow Muff Edge w/ Attitude
1990 Honda GL 1500 Wineberry 125,000 Miles
2005 Honda GL 1800 Candy Blackcherry 50,000 Miles