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Exhaust DR.D  DR.D 4 Stroke
 

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4 Stroke Exhaust Systems

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Titanium/Titanium System-(Full Titanium)
  • 4lb, 11oz – Lightest Titanium system available.
  • Features titanium header, Ti mid pipe, and Ti Muffler, lightweight magnesium end cap.
  • Welded construction for reduced weight (no springs).
  • Removable bolts at inlet cap for easy repacking.
  • Meets AMA 99db sound requirement. Includes removable USFS approved spark arrestor screen.
  • Race Tested by Dustin Nelson, Doug Dubach. Unequaled testing experience and development.
  • Used by DRD elite amateur racers & factory teams.
Stainless/Aluminum System
  • Stainless Header/Aluminum Muffler
  • Huge performance improvements over stock system.
  • Features Stainless Steel Header, Mid Pipe, Aluminum Muffler & Lightweight Magnesium end cap.
  • Welded construction for reduced weight (no springs).
  • Removable bolts at inlet cap for easy repacking.
  • Meets AMA 99db sound requirement.
  • Includes Removable USFS Approved Spark Arrestor Screen. Race Tested by Dustin Nelson & Doug Dubach.
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