1-7/8" Stainless Headers. 2015-2024 Mustang GT 5.0L.

1-7/8" x 3" Stainless Steel Long Tube Headers. 2015-2024 Ford Mustang GT 5.0L 4V. 304 Stainless Steel Construction 3/8" Thick Laser Cut Flanges Round Port Stock Bolt Pattern 1-7/8" Mandrel bent Primaries Includes 755392 Gaskets, 1) CAS-105979 Oxygen Sensor Extension Harness for 2015-2017 Cars, 2)CAS-109677-8 Oxygen Sensor Extension Harnesses for 2018+ Cars and BK109 & BK114 Bolt Kits required for Installation Requires KOOKS Front Connection pipes Requires either OEM Adapters (11513000) or X-Pipe / H-Pipe Exhaust Also available as part of Header and Connection Kit Part# 1151H432 & 1151H442