Fits: 2015–2020 Ford F-150 CORSA Performance14841ResonatorsExhaust Sound and Flow: The resonator delete kit replaces the stock resonator found in 2011 to 2014 F-150 trucks, freeing the exhaust path and increasing sound. CNC Machined Donut Connection: CORSAs machined stainless steel donut connection was designed exclusively to match the unique needs of the Ford F-150 exhaust system to create a precision fit with no exhaust leaks. Laser Cut 3/8 in. Stainless Flange: CORSA designed a flange with unmatched fit and durability to withstand the abuse of daily travel. Easy Installation and Fitment: F-150 resonator delete kits bolt directly onto CORSA exhaust systems and stock F-150 systems.Open up the sound of your cat-back exhaust with Corsa resonator delete pipes. They're designed to replace the factory resonator and connect directly to the cat-back exhaust. These pipes are made from durable stainless steel and install easily with no modifications--a great upgrade from Corsa Performance.