Upgrades for a 2008 SN 6331
From what I have researched on here, the three most popular upgrades are:
1. Road King Shocks
2. Side view Cameras
3. Tuner (ECU programming)
What are some of the reputable tuners out there? We will be using this to haul a 24 foot racing trailer weighing in at 9,000 pounds.
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