1-3/4" x 3" Stainless Steel Long Tube Headers. 2015-2026 Ford Mustang GT 5.0L 4V.

• 304 Stainless Steel Construction

• 3/8" Thick Laser Cut Flanges

• Round Port

• Stock Bolt Pattern

• 1-3/4" 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, and OEM Adapters or X-Pipe or H-Pipe Exhaust

• Also available as part of Header and Connection Kit Part# 1151H232

1-7/8" x 3" Stainless Steel Long Tube Headers. 2015-2026 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

2" x 3" Stainless Steel Long Tube Headers. 2015-2026 Ford Mustang GT 5.0L 4V.

• 304 Stainless Steel Construction

• 3/8" Thick Laser Cut Flanges

• Round Port

• Stock Bolt Pattern

• 2" 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 and OEM Adapters or X-Pipe or H-Pipe Exhaust

• Also available as part of Header and Connection Kit Part# 1151H632 & 1151H642