YZF exhaust onto WRF


Looking at buying an 04 WRF450 and wondering if the header and muffler of a YZF 250 will fit ok. Can the muffler be changed only or are the pipe diameters different.

In New Zealand and getting it for around $3500US, road legal with 5000km (3000 miles) but will set up for mainly trail/enduro and have the road kit there if need be.

Not sure about 03 and up, but o1 and 02 the 250 and 426 are different diameters. Try going to the on line parts list at the TT store and compare part numbers...

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