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I used to have a 2011 SG with slip-ons, air cleaner, SE race tuner. Was looking for a good bolt-in cam and went with the HD's SE 204...good mid range cam. It woke up the bike even more, but I seldom rode 2-up so I can't speak to how it pulls all day with that load. With higher lift cams there are some compromises, and I didn't want to tear into the engine.
A good low to mid rpm cam would also be a Woods 222 cam. I had them in my 08 SG and it made a big difference, especially when my wife rode with me. I have also heard alot of good things about the 57h.
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