My Cart

Close

ARH

Mustang 4V Cobra 1999-2004 Long System

$1,625.40

MT4-99134300LSNC

If your high powered Mustang Cobra 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.

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
  • Optimized primary tube routing for superior fit and performance
  • Merge collectors complete with welded scavenger spikes
  • Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability