This tip kit contains 2) tip assemblies with a total of 4) outlets. These single 3" Inside Diameter (I.D.) Inlet with dual 4" Outside Diameter (O.D.) round carbon fiber tips with bright center outlet tips are the perfect way to customize the appearance of your Grand Cherokee Trackhawk. They are designed to fit BORLA® Cat-Back™ systems 140755 and 140756 ONLY. They will NOT fit on the Original Equipment (O.E.) exhaust system and will NOT fit vehicles equipped with O.E. trailer hitch. They are designed to be clamped on (clamps not included, use clamps included in BORLA® system). To install the tips, insert inlet ends of BORLA® tip assemblies into outlets of rear muffler assemblies. When using these tips the tailpipe adapters (620359) included in the Cat-Back™ system are NOT used. Tip dimensions 3" I.D. Inlet, Dual 4" Outlets, 15.5" Overall Length. Built from premium T-304 stainless steel, superior to T-400 series (such as 409), to give you the absolute best in performance and durability. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. BORLA® tips are available in a wide range of materials, finishes, sizes, and styles. They are the perfect way to give your vehicle a custom appearance. Best of all, BORLA® exhaust tips are covered under our Million-Mile warranty with the following exceptions. Borla® will warranty black coatings, tip finishes, and carbon fiber parts for one year.