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Fits Honda CRF450R 2009 -Made From 6063 grade aluminium and 304 grade stainless steel -Lightweight magnesium end cap -Welded construction for reduced weight (no springs) -Removable bolts at inlet cap for easy repacking -Race Tested by Dustin Nelson, Doug Dubach -Unequaled Testing Experience and Development -Used by DRD elite amateur racers and factory teams -Meets 94DB sound requirements
For Jet settings click the link or copy and paste into your browser! http://www.dubachracing.com/jetting.php