Fuel Tuner
Zippers PerformanceThunderMax with AutoTune for 2025-Up Softail
✓ Verified fit for your 2026 Street Bob 117
⚠ Fits with conditions: Requires the model-specific caddy/standoff mounting configuration for Gen2/117 Softails.
About this part
Complete stand-alone ECM replacement with AutoTune wide-band closed-loop tuning for the 2025+ M8 Softail platform Race/closed-course product: ensuring legal use for your jurisdiction and intended riding is the customer's responsibility.
Options that fit your bike
- Standard$1,088.95