HMF Dobeck EFI Tuning Box - 641292360001 | Yamaha Grizzly 700 FI 2007-2013

The HMF Optimizer is an EFI Controller that has been programmed with the proper tuning specifications to ensure the ultimate performance from your HMF exhaust. With this "Plug 'N' Play" controller, you can be comfortable knowing your exhaust system is running at it's optimum performanceThe proper tuning will ensure the full performance potential from your HMF aftermarket high performance pipe and is necessary on all machines.

Features:

• Pre-Programmed with the best settings for your HMF exhaust
• Push Button Interface
• Unique load based technology
• Plug and Play Installation
• No CPU Needed
• No Dyno Required
• Full Range Tuning