maybe the exhaust is shaking a little as you downshift, thus you are hitting the crossmember as the exhaust vibrates/moves....
just an idea.
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2014 Triumph Thruxton 900
2013 Fiat 500 Abarth
2009 Nissan 370z
Last edited by Econ; 05-17-2011 at 12:35 PM.
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