Pay in 4 interest-free payments of $161.50 Learn more
Ships within 48 hours · Estimated delivery Nov 9 - Nov 14
35% polyester
• Brushed fleece fabric inside
10% polyester
• Structured
which is why it takes us a bit longer to deliver it to you
Thundermax 04-11 Dyna/ 08-10 Rocker C/ 10-13 Sportster Apparel 35% polyesterPart Number: 309 485 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 AutoTune technology with wide band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire cutting or splicing required. Simply replace the factory ECM and oxygen
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