Last time I check borla did not have a bolt on yet. Where did you see that one?Hmmm, lets see, Borla and Solo are 2 that have complete systems that bolt right in. These are just 2 of the top of my head
that’s simple... never select a flow master. ?Found a good site on youtube by FloMaster describing in detail each muffler they make
"How To Select The Right FloMaster Muffler"