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Thunder Max

16 products

Thunder Max is committed to developing products that push the boundaries of design and the levels of performance in the V-Twin motorcycle industry. Browse the range below!

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$376.99

$376.99

* Replacement Wide Band Oxygen Sensor * ThunderMax replacement oxygen sensor for all ThunderMax EFI with AutoTune modules * Fits front or rear – sold each

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$701.99

$701.99

Features & Benefits:- * Get a much cooler running oil cooled M8 in about 15 minutes ! * Takes 15 minutes to install. * Completely plug and play with a ThunderMax ECM – Don’t have a ThunderMa...

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$2,467.99

$2,467.99

Fitment Note: Fitment for 2023-Up Roadking, 2023-2024 Ultra, and 2023-Up Trike use part number Z309-591 Fits Both VVT & Non-VVT Models ThunderMax is an industry award winning, performance EC...

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$2,465.99

$2,465.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

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$2,465.99

$2,465.99

Note: Trike Models an updated firmware file prior to installation (Due to traction control / RDRS) Please contact Rollies or support@thunder-max.com for this. Fitment 2024 Touring Models: Road K...

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$2,465.99

$2,465.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

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$2,465.99

$2,465.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

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$2,464.99

$2,464.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

Product image

$2,464.99

$2,464.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

Product image

$2,464.99

$2,464.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

Product image

$2,464.99

$2,464.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

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$2,348.99

$2,348.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

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$2,465.99

$2,465.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

Product image

$2,464.99

$2,464.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

Product image

$2,465.99

$2,465.99

Does not fit 2019-2020 Trike Models (Due to traction control / RDRS) 2018 Model Trike should not have RDRS. Dealer to confirm BEFORE purchase. ThunderMax is an industry award winning, performance...

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