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ThunderMax

With a legacy spanning over two decades, Thundermax is at the forefront of innovation in the V-Twin motorcycle industry. At Thundermax, they take immense pride in their engine tuners and performance products delivering the highest quality products available for your Harley Davidson, all crafted right here in the USA.

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THUNDERMAX-ECM Autotune Module / M8 - M8 Bagger-Tuners-MetalCore Harley SupplyTHUNDERMAX-ECM Autotune Module / M8 - M8 Bagger-Tuners-MetalCore Harley Supply
THUNDERMAX
ECM Autotune Module / M8 - M8 Bagger Sale priceFrom $1,115.95 USD
THUNDERMAX - ECM w/ Integral Auto Tune System / '24 Bagger - Tuners - MetalCore Harley Supply
THUNDERMAX
ECM w/ Integral Auto Tune System / '24 Bagger Sale price$1,088.95 USD
THUNDERMAX-ECM's w/ Integral Auto Tune System / '01-'20-Tuners-MetalCore Harley SupplyTHUNDERMAX-ECM's w/ Integral Auto Tune System / '01-'20-Tuners-MetalCore Harley Supply
THUNDERMAX
ECM's w/ Integral Auto Tune System / '01-'20 Sale price$1,088.95 USD
THUNDERMAX-Micro Harness Controller Kit-Wiring / Electrical-MetalCore Harley Supply
THUNDERMAX
Micro Harness Controller Kit Sale price$406.95 USD
THUNDERMAX-Electronic Harness Controller-Wiring / Electrical-MetalCore Harley Supply
THUNDERMAX
Electronic Harness Controller Sale price$369.95 USD
THUNDERMAX-Twin Cam Stand-Alone Ignition System-Tuners-MetalCore Harley Supply
THUNDERMAX
Twin Cam Stand-Alone Ignition System Sale price$365.95 USD
THUNDERMAX-Oil Cooler Fan / '17-'20 Bagger-Cooling Fan-MetalCore Harley SupplyTHUNDERMAX-Oil Cooler Fan / '17-'20 Bagger-Cooling Fan-MetalCore Harley Supply
THUNDERMAX
Oil Cooler Fan / '17-'20 Bagger Sale price$262.95 USD
THUNDERMAX-ECM Oxygen Sensor-O2 Sensor-MetalCore Harley Supply
THUNDERMAX
ECM Oxygen Sensor Sale price$129.95 USD
THUNDERMAX-Transmission Speedometer Sensor / '96-'03 Big Twin-Speedometer Sensor-MetalCore Harley Supply
THUNDERMAX
Transmission Speedometer Sensor / '96-'03 Big Twin Sale price$90.95 USD
THUNDERMAX-Center Brake Light Module-Light module-MetalCore Harley Supply
THUNDERMAX
Center Brake Light Module Sale price$46.95 USD
THUNDERMAX-Push-Button Converter-Handlebar Wiring-MetalCore Harley Supply
THUNDERMAX
Push-Button Converter Sale price$46.95 USD
THUNDERMAX-Pigtail Harness / '01-'13-Wiring / Electrical-MetalCore Harley Supply
THUNDERMAX
Pigtail Harness / '01-'13 Sale price$20.95 USD
THUNDERMAX-Pigtail Harness / '01-'12-Wiring / Electrical-MetalCore Harley Supply
THUNDERMAX
Pigtail Harness / '01-'12 Sale price$20.95 USD

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