Cox - .049-.051 Muffler
Manufacturer: Cox Models Product Code: 490MUFF
Greatly reduces engine noise
Includes instructions for performance adjustments
Brand new Current Production item
Most Cox .049 & .051 Engines
Tee Dee ( see note)
For Tee Dee use the needle valve assembly must be rotated 180 degrees, the NV spring (ratchet) relocated to the top and a venturi spacer must be used.