My dealer was kind enough to let me "audition" both of the C5 / G5 silencers in the nfieldgear catalog (i.e., the EFI Silencer and the Megaphone Silencer) before I took delivery of my G5 Deluxe. The stock silencer was too sedate for my taste, the megaphone silencer, with no baffling whatsoever, was too loud and the EFI Silencer with some baffling was just right. He also ground off the bracket on the end of the header pipe so I could slide the muffler farther forward and eliminate the heat shield for a cleaner look. After 200 miles of riding, I'm very pleased with the results.