All HMF exhaust jetting has been predetermined with proper jetting specs to ensure the ultimate performance from your HMF product and should be used as a reference only. The proper jetting will ensure the full performance potential from your HMF aftermarket high performance pipe and is necessary on all machines.

• Basic Jet Kits Includes: Individual Keihen Hex
• 2004-2005-125, 155, 180, 190
• 2006-160, 165, 170,175, Needle, 48 Pilot
• 2007-2009-160, 165, 170, 175 and 48 Pilot
• Trail Package Kits Includes: Basic Jet Kit and Uni Foam Air Filter
• Track Package Includes:Basic Jet Kit and a K&N Air Filter
• Competition Package Includes:Basic Jet Kit, K&N Air Filter, Outerwears