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  • 2023-2024 Pro RMK Slash 9R
  • 2023-2024 RMK Khaos Slash 9R
  • 2021-2024 650 Matryx Indy / VR1 / Switchback Assault
  • 2022-2024 650 Matryx Chassis - All Models
  • 2022 650 AXYS Chassis RMK Pro/Khaos


Stock Muffler: 16.65 

GGB Mountain: 5.3
Weight Savings: 11.35 lbs

This muffler is a super lightweight, straight through flow design with an aggressive exhaust note. System fits securely in the stock location using stock mounts and is guaranteed to provide performance levels as good as or better than stock.


GGB Advantage:

  • Performance Guarantee
  • Increased throttle response
  • Aggressive exhaust note
  • Huge weight savings
  • No fuel mods
  • Simple install
  • Secure fit


Fuel and clutching mods are not necessary prior to installation. GGB two stroke mufflers are flow benched developed for back pressure against the stock muffler and will perform efficiently in any application where the stock muffler would be used.


GGB Mountain mufflers are designed to be used in areas where increased sound levels are not an issue. These mufflers are loud when you open the throttle. Please use accordingly. Sound level increase over stock (dbA) Idle + 4-6 / Under load + 10-18.

GGB Polaris Matryx 9R/850/650 Mountain Muffler 2022-2024

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