Custom Dual inlet/outlet muffler: You won't find a Y-Pipe here like the competition! The muffler used on this system was designed specifically for the dual side exit Raptor exhaust and features dual 3"inlets/outlets for maximum airflow. The muffler's internal design and length was changed numerous times until our engineers found the perfect sound without sacrificing power output. It's this type of dedication to every component that sets Injen apart from the completion. No Exhaust Leaks or fitment issues!, Unlike our competition, Injen never compromises to reduce costs. Where our competition uses band clamps, Injen uses superior quality stainless steel investment cast flanges for the ultimate seals and ensures a hassle free exhaust. No twisting of the exhaust to make sure if aligns correctly ? simply install the system and enjoy!, , Dual Black-Chrome Exhaust Tips: Dual 4"black chrome exhaust tips are the finishing touch on this beautiful exhaust system. The tips bolt-on for easy adjustments and provide a visual punch that will set your Raptor apart for the pack!, , OE Style Fitment: OE-Style exhaust hangers are used throughout that utilize the OE hanger bushing that came with your Raptor. This allows the system to install and flex like the factory system during high-stress situations without any damage. A true hassle-free installation with no cutting required. , , Dyno Proven: Plain and simple, NUMBERS talk! We put in the time to test and prove that we have developed a superior exhaust system for your Ford F-150 Raptor. After hours of designing and dyno testing, Injen is proud to say that the SES9102 Dual Side-Exit exhaust system puts down numbers of up to 12 additional horsepower and 14 lb-ft. of torque. Engineered and manufactured at the Injen Technology headquarters in Pomona, Ca.