Mustang Mach 1 1999-2004 Long System Catalytic Converter?:With Cats Available in 1-5/8" or 1-3/4"

Available in 1-5/8" or 1-3/4" primaries

With power levels often exceeding 1000 Rear Wheel HP on C6 and ZO6 models from 2005 and up

ARH C3 Corvette header systems are now available for conventional Small Block applications

ARH has a system to suit your needs

Mustang Mach 1 1999-2004 Long System Catalytic Converter?:With Cats Available in 1-5/8" or 1-3/4"If your high powered Mustang Mach 1 needs superior headers, go with the brand that leads the way in performance and quality. With primaries in 1 3 4" and 1 7 8", we have you covered from bone stock to over 1000 RWHP. All 1 3 4" long system x pipes come with a factory 2 1 2" rear ball socket connection. Product features on this system includes: 100% Made in the USA Never Outsourced Made entirely of 304 stainless steel 3 8" thick laser cut flanges for a