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YZ450F

GYTR NS-4 Series Slip On Muffler

Uniquely track tested to improve delivery and pulling power with performance gains

Uniquely track tested to improve delivery and pulling power with performance gains while reducing weight over the stock system

Features:

  • TIG-welded construction
  • Welded construction (not springs)
  • Light weight magnesium end cap
  • Removable bolts (not rivets) at the inlet cap for easy repacking
  • Stepped perforated cored - reduced heat - for increased durability
  • Billet aluminium mounting directly on the muffler can
Composition: 304 Stainless Steel and aluminium
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