hey i got a test for ya to think about

[Burnt12]

anyone out there ran the 06 450r with the hrc and head pipe with a slip on on then taken the hrc head pipe off and made it a full system to see what the differceces are

mainly i just want to see if it is worth it to keep the hrc header or not

[rhinorick]

I wood realy like to see that to, I wood like to see the hrc muffler & slip on