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im in the same boat, going to 103 w/255 SE cams. looking at SE pro race tuner and going to get the auto tune software and cable. thought about the thundermax but at $1000 plus id have to change my head pipes to 09 pipes because of the location of the o2 bunges, ive decided to go the SE route. the tuner is $459 and the cable/software is $35. dealer thats doing my 103 install will sell me the tuner for $400
Go with the system that the guy who tunes your bike recommends. You'll get the best performance out of your bike if it's properly dyno tuned, and your tuner will have a preference for the system he tunes with.
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Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.
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