by JimDirt » Tue Mar 06, 2018 11:02 pm
03-04 should be the same , that's about it for direct bolt up , the 02 the mid pipe mount was in a different location , but you could use a 02 muffler and make it work , but the 03-04 setup is better , and the 05 is completely different , Airbox from 02-03-04 should swap between the 3 years
2020 CRF450R
2006 CRF450X
Weiser , Idaho