Originally Posted by bigedschukar
I've had my used 2009 4.7L QC SLT for a week now, and this morning I noticed something. The exhaust sounds real tough....deep and throaty and good! At first glance it looks stock... the tailpipe looks stock, no shiny chrome tip, it's side exit, etc. I haven't crawled under her to have a look to see if it's aftermarket, but I'm wondering if this is normal for the 4.7L?
I just got a new 2010 in December and I noticed that at first start and up until it warms up it is deep and throaty. After it warms up it gets quieter but still sounds nice for a stock exhaust. Your going to have to crawl under her and see if the muffler is stamped with a brand name or not.