American Racing: 2011-2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7/8" x 3" or 2" x 3" HEADERS piece This adjustable version comes preassembled

This adjustable version comes preassembled with a high output internally mounted fuel pump and an adjustable external regulator making installation quick and simple

Up to 400 HP

opposed to prying the old one off

Torque  = +15

Flow Increase = +64%

American Racing: 2011-2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7/8" x 3" or 2" x 3" HEADERS piece This adjustable version comes preassembledAmerican Racing Headers: 2011 2018 MUSTANG SHELBY GT500 LONG SYSTEM: 1 7 8" x 3" or 2" x 3" ARH rules the roost with GT500 systems up to 2 and your choice of X Pipe or H Pipe to tailor the sound to your specific needs also available. Product features on ALL American Racing Headers systems include: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a warp free seal Hand ported TIG welded inlets