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

EFI Optimizer: Electronic Fuel Injection Controller
Trail Kit Includes: HMF Optimizer and Uni Foam Filter
Track Kit Includes: HMF Optimizer and K&N Air Filter

Recommended Optimizer Settings:
2008-2009: Slip on: 3/ 3/ 4

• Leave enough slack on the wire harness and keep the Optimizer visible for "on the fly" tuning.
• Electrical components are NOT completely waterproof, the Optimizer is water resistant.
• Improper air fuel ratio can lead to engine and/or Exhaust system damage not covered under warranty.