Need help with Roadbuster upgrade

[1AZRAEL1]

How do I replace the head, and where does the big cannon go?

Now that I finally have a Roadbuster, I can finally use the upgrade, but I have no idea how to use it lol.

Anyone got any pictures or know-how of how I do it?

[jaydisc]

http://www.youtube.com/watch?v=URtEhmCVtCg

[1AZRAEL1]

Cheers mate, I'll have to check it out when I get home.

[1AZRAEL1]

Ah, very helpful, looks so much better now.

Thanks again Jay.