Here is what I found on the web
Features & Benefits:
- Replaces Stock Resonators
- Increases Sound with a Crossover Section that Creates a Unique Exhaust Note and Scavenges Airflow
- Full 2-3/4"-Diameter Pipe Maintains Appropriate Frame Clearances
- Flows 9.92% Better than Stock
- 8 Lbs. Lighter than Stock
- Easy to Install: No Welding Required
- Direct Bolt-On Installation: Easy Addition to Stock Exhaust, Corsa Muffler Upgrade or Corsa Cat-Back Exhaust
- Fits All 2017-2019 F-150 Raptors with a Super Cab and SuperCrew Cab
This Corsa (14396) 2-3/4" X-Pipe Resonator Delete is a great way to replace your stock resonator, and it's also a great addition to your stock exhaust, your Corsa muffler upgrade or your Corsa cat-back exhaust. It will increase the sound you hear with a crossover section that creates a unique-sounding exhaust note and scavenges airflow. The full 2-3/4"-diameter pipe will maintain the appropriate frame clearances too. This Corsa X-Pipe Resonator Delete flows 9.92% better than stock, and it's also 8 lbs. lighter than stock! Easy to install, this X-Pipe Resonator Delete won't require any welding to put on your Raptor. You'll love hearing your louder and more aggressive F-150 after you're done!