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Recently purchased a 2010 SG with 1700 miles. I have noticed that I can hear so much more engine noise on this bike than my previous 2008 Dyna. I'm not sure the noise is any louder or because the pipes are so much quieter allowing me to hear it better. I did just change the oil to Syn3 but I'm wondering if I need to use something a little better. I really dont think anything is wrong with the motor but it sounds like a stinking sewing machine. Any suggestions or words of wisdom to ease my concerns.