2015-18 Mustang GT 5.0L long-tube headers. Unholy Union. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-7/8" diameter primaries, 3" slip-fit collectors with merge spike, then fitting into 3" high-flow cats. Extended leads are built to fit MBRP and Corsa as well as SW Factory cat-back systems. The ultimate freedom in aftermarket connections! Mill finish, All TIG welded for strength and durability. These kits come with a 24-month warranty.
2015-18 Stainless Power Mustang GT headers with 1-7/8" primary tubes, 3" diameter lead pipes and high flow catalytic converters designed to connect to an Unholy Union.
2015 thru 2018 Ford Mustang GT 5.0L

Fitment:
Ford Mustang Bullitt 2019
Ford Mustang Bullitt 2020
Ford Mustang GT 2015
Ford Mustang GT 2016
Ford Mustang GT 2017
Ford Mustang GT 2018
Ford Mustang GT 2019
Ford Mustang GT 2020
Ford Mustang GT 50 Years Limited Edition 2015
Ford Mustang GT Premium 2015
Ford Mustang GT Premium 2016
Ford Mustang GT Premium 2017
Ford Mustang GT Premium 2018
Ford Mustang GT Premium 2019
Ford Mustang GT Premium 2020