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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Part Number: 309-485
make your motorcycle a concert hall
00 5XL 34 ⅝ 33 ⅞ 8 ⅝ 25 ¼
• Matching flat drawstrings
Thundermax 14-16 Touring Models 309-562 audio Part Number: 309-485Part Number: 309 562 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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