Hi, please take a look at how my used yamaha fz1 came with, the seller removed a yoshimura exhaust and did that thing showed in this picture, it sounded just stable, until I moved some of those bended metal things trying to open a major air flow in that tube, after my touch, the exhaust make lots of explosions and, oh yeah this is a good description, it sounds almost good but theres a continuos sound that looks like if you were playing with a bicycle weel, and your nails touching those rods around the axl :sad:, the pattern goes faster when accelerating. Did the engine lose pressure or something? the bike runs fast and aggresive, just plus the new gas explosions and that tic-tic-tic sound, I dont remember how exactly those blocking element were, im planning try it to leave it just like before, it may vary a little since the metal things did no get the very same state, will I need to go trial and error?
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