Hammer Performance owned By Aaron Wilson and Dan Norlin are the most famous Sportster tuners in the world. They hold many land speed record at Bonneville. They offerd to test our Torque Hammer exhaust on there 1250 and Maybe Bigbore kit for the Sportster 883 and they where qurious if they where able to hit the 100 HP border, as the first tuners in the world with there 1250 Kit. What do you thoink they did, read the story here 883 with the 1250 kit hit 100 HP Mark.
http://www.twinmotorcycles.nl/artikelen ... 16&aid=249
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