Eid Al-Adha offers and quantity is limited Headers fit Charger, Challenger, and Chrysler Engine 6.4, 6.1, 5.7, 6.2 Steel type: Description The 7/8-1 inch to 3 inch long tube headers with a 2.75 outlet are designed and made of stainless steel (304) for use with various SRT8 models, and 5.7. These headers come with 3 inch x 2-3/4 inch connection pipes for seamless integration with the OEM exhaust system. Size 1/7/8, heat-resistant stainless steel material Better performance and lighter weight Lifetime dealer warranty Full package Headers + header connections + O2 sensor connections + header collector + special port for wideband if you want to install or leave it without.