6.4L 392 engines only, don't fit Hellcat cars. 1/7/8" x 3" Stainless Steel Long Tube Headers. 3 x 2-3/4'' Stainless Steel race catted Connection Pipes. O2 extensions, gaskets, Stage 8 Locking Header & Collector bolts, and all installation hardware included. 2-3/4 Outlet For Use With oem and aftermarket 2-3/4 exhaust.
Includes Exhaust Pressure Sensor Fitting. STANDARD RACE CATS NOT FOR USE IN FORCED INDUCTION APPLICATIONS. Kooks Uses T304 Aircraft Quality Stainless Steel. Kooks Products Are Dyno And Race Tested and Designed For Maximum Power.
New Kooks parts in original box.