I am thinking about getting this exhaust. Did you install it yourself? How do you like the sound? Did it reduce heat ? More power?I have the dual exhaust. The muffler in your picture looks to be the same muffler used on the dual system. If it is, it is a quality stainless steel ceramic coated piece. I would expect it to be just a bit louder without the duals going out to the back. And the duals are a little louder than stock.
I would not expect any heat reduction on passenger side footwell or glove-box because the exhaust still exits in front of the passenger. That is where I think a good portion of the heat is coming from.