i have just fitted a new muffler to my four wheel drive purchased from there. it has made my car sound and perform great. i would definitely recommend these mufflers.
After I had a crash and bent my second stage exhaust pipe (from the rear), they replaced the end-stage muffler with one in stock for a 20-year old car, and charged only $10 for labour despite it taking almost an hour to blowtorch and bend the pipe it connected to (not the new muffler of course).
Approximate cost: $135.00