I know a great exhaust guy in Wylie if you are looking for someone. His name is Rich, Rich's Performance Muffler (RPM)
http://www.richs-performance-mufflers.com/
Fred's Car
http://www.richs-performance-mufflers.com/92%20RS.jpg
St. John's old Impala
http://www.richs-performance-muffler...wer%20Tour.jpg
There used to be a pic of my scout on his site competing in the burnout contest, but no burnout pics anymore. Anyway, he does badass work and will run the exhaust however you want it.