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ThunderMax

4.5 (123)

ThunderMax 2021-Up Touring® Models (w/o Center Cool Motor)

Name: ThunderMax ThunderMax 2021-Up Touring® Models (w/o Center Cool Motor) - ThunderMax 2021-Up Touring® Models (w/o Center Cool Motor)
Brand: ThunderMax
SKU: 42508033523951
Price: 1088.95 USD
Availability: InStock
Rating: 4.9474 (7 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$1,088.95

Quantity

Color

Black

Quantity

Part Number: 309-591 *Excludes 2023.5 - Up Center Cooled Motors - see Part Number: 309-605 ThunderMax is a performance-driven, award-winning ECM built exclusively for EFI-equipped Harley-Davidson® motorcycles. Designed as a stand-alone repl...

Reviews

4.9

19 ratings

Money well spent . I haven't had any issues with it easy to install and program. Everyone says customer service is great with Thundermax but i haven't needed them yet . Highly recommend

Steven · June 12, 2025

Fast shipping

Obaid · September 10, 2024

Best tuner for your Harley. I wouldn't go with anything else.

Anthony · June 8, 2024

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ThunderMax

4.9 (160)

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Reviews

4.9

19 ratings

Money well spent . I haven't had any issues with it easy to install and program. Everyone says customer service is great with Thundermax but i haven't needed them yet . Highly recommend

Steven · June 12, 2025