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View Full Version : 450r rev box?


feelthisroost11
11-02-2007, 10:31 AM
Hey i recently bought an 04' 450r. i know what pipe i want (DASA) i was wondering if a rev box will make much of a difference in power? Thanks
chad502ex
11-05-2007, 09:40 AM
imo this should be the last performance modification someone makes..