Toce™ Decibel Killer Insert for GP Mufflers

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Decibel Killer Muffler Insert reduces the volume by 9 dB. Exhausts with the decibel killer installed still gain on average 5 Hp over the stock exhaust. Installation is as simple as bolting the decibel killer into your Toce Performance muffler, between the canister and the inlet flange.


Fits Toce Performance Models:

  • Kawasaki 2011-2015 ZX10
  • Suzuki GSXR 600/750
  • Suzuki GSXR 1000 
  • Suzuki Hayabusa
  • Yamaha FZ-07/ MT-07
  • Yamaha FZ-09/ MT-09
  • Yamaha R1 Lowmount
  • Yamaha R1 2015-2016 
  • Yamaha R6 3/4 System


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  • 5
    Great sound

    Posted by Will on May 8th 2017

    Got the Toce full system for my FZ07 for the appearance and sound. Rode with no DB killer for about a month and a half, and the sound was jsut too much. Decided to get the db killer, and was skeptical that it would make much of a difference. I was very surprised to find that the idle and lower RPM range is now much more reasonable, while the higher rev range is still nice and loud. Highly recommend adding this to your exhaust purchase.