FMF Muffler Sleeve - Aluminum 040648 1860-0578 Nucleon Flex Proi Full Back Protection Insert Data-Link ECU Flashing Kit Includes:

Data-Link ECU Flashing Kit Includes:

Removable end cap allows handguard installation without the hacksaw

Linear thick print on both sides of hat

Power Pro with an industry-first 222° 2-into-1 heat shield system Makes the collector area look great by hiding unsightly welds and connections Long-lasting

RPM via analog gauge Stepper motor allows for a faster and smoother response and more accurate information Indicator lights in multiple colors allow for easy recognition H-D model uses 3-pin OEM speed sensor Measure 3

FMF Muffler Sleeve - Aluminum 040648 1860-0578 Nucleon Flex Proi Full Back Protection Insert Data-Link ECU Flashing Kit Includes:Replacement sleeves for worn out mid pipes