2nd Hand Reconditioned Mugen Twin Loop Replica

 I was browsing through the Automotive section @ lowyat.net, and I found this nice Mugen twin loop replica exhaust going for RM100 (About 30 USD). Couldn't resist, and thought of buying it for my Proton Wira 1.6 XLi, which uses a 4G92P  (Related to the old Lancer). Started off with washing it using some strong detergents, followed by sanding it down using 600 grit, 800 grit, 1200 grit. Was too