Yes he surely does know his stuff. Now if I can just fond some more info. on this guy they know in Marietta so he can fix my screwed up 4" exhaust.. He built the 4" on the guys GN that owns the house where I met Rob.An might I add this guy had 2 of the baddest TR's I have seen . A GN an a blue chrome package T... Both St2 9 sec rides. If i never need any help I know where to go now..