Use these adapters that have Male Ball Flare Outlets with Borla(r) Cat-Back(tm) system 140723 and REUSE O.E. Tips that have a Female Ball Flare Inlet or optional Borla(r) tips 60729 60729BC 60729CFBA. Tips NOT included. Adapters have 2.75" I.D. Inlets. Contains 2) Adapters and 2) Clamps. Each adapter is built from premium T-304 stainless steel superior to T-400 series knockoffs (such as 409) to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all Borla(r) stands behind every adapter with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.