Yeah I got mine done at Livo Exhaust. As much as i didnt want to go there ever again from past experiences, I had no choice for 3 reasons. 1 - no one at that time on this forum had done any exhaust upgrades, 2 - my stock cat was cracking so I had to get something done, and 3 - Chris (MLCrisis I think that's the id) had his exhaust done at Livo and I liked what they did to his car. My dump/front combo with a high flow cat is mild steel but ceramic coated so won't ever rust as long as I don't scrape the pipe. I recently changed the oil and had a good look at the pipe and cat and after almost 1.5 years of having it, she still looks good.