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MRD Exhaust system

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Not quite, but most '03-'05 YZ450F pipes can be made to fit. The problems arise from the fact that the sub frames are different between '02 and earlier and the steel 450 frames. Pipes like the FMF that have the mid pipe and muffler as two separate pieces are easier to deal with because the two parts can be moved around independently to a larger degree, and a lot of the FMF's use a band clamp on the muffler that lets them be placed virtually anywhere they need to be.

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