MOOSE RACING Rear Sprocket - 49 Tooth - Yamaha 1211-251-49-11 Temperature Decals Moose provides an economical solution

Moose provides an economical solution for replacing these flanges over the OEM offering at higher price

Merged the 1-7/8" head pipes into a large 2-1/4" collector that steps up to a 2-1/2" perforated core Core wrapped in stainless steel screen then encloded in fiberglass pillow Collector covered by large one-piece heat shield that is held in place with two clamps and stamped Cobra logo 4" muffler body capped with a 4" machined aluminum dual-cut tip that features small alluvial flutes Body arrives pre-set in slight upward position Works wtih stock or extended bags

this will not inter connect with other systems or "cat back" style setups)  (Note 2020 + R1 riders can call in the orders to have front 02 sensors added for an extra charge if your tuning cannot remove the 02 sensors)

1mm thickness

Each line is designed to withstand a minimum of 14

MOOSE RACING Rear Sprocket - 49 Tooth - Yamaha 1211-251-49-11 Temperature Decals Moose provides an economical solutionThe 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs. typically thinner 7075 T6 sprockets 100% machined, no stamping or grinding Optimal tooth thickness results in maximum tooth and chain contact