I can tell you that whatever steel used for the actual mufflers is pretty hard stuff. Bent a drill bit making a weep hole lol Sent from AutoGuide.com Free App
I read about them filling with water and people having to drill weep holes. No big deal as I plan on doing this. can anyone please tell me diameter of drill holes and exactly where it should be drilled? will drilling these void the warranty?
Glad to hear its stainless. thanks everyone for all of the help.
2013 V6 Mustang Automatic with the following mods: Roush Hood scoop, 3M Clear braw paint protector, MRT rear window louvers, 3M scotchprint carbon fiber roof wing decklid and scoop, strut tower brace, FRPP axleback exhaust.