Alright so I'm gonna give the same answer that I give to all these threads.
Step 1. Go to youtube and search ranger exhaust
Step 2. Choose the one you like
Step 3. Enjoy
I have a Flowmaster 40 series. I love it, it doesn't drone real bad, when you put your foot in it, it sounds awesome. But everyone has different opinions, so it's hard to get a good answer