ARH 08-09 G8 GT T304 1-3/4" Headers with Catted Downpipes

ARH 08-09 G8 GT T304 1-3/4" Headers with Catted Downpipes



2008-2009 G8 GT owners wanting that upcoming GXP horsepower can have it right now by adding American Racing Headers' new G8 system. Like everything A.R. Headers builds, these new systems are made here in the USA using the highest quality 304 S/S. Available with1-3/4" or 1-7/8" primaries and merge collectors with scavenger spikes standard, ARH's G8 system guarantees outstanding performance with great fit and a very easy install.Other features include 3/8" thick S/S flanges with hand ported inlets and 200 cell metallic substrate cats. Recent testing on a Mustang dyno showed gains of 38 RWHP and 41RWTQ (before the tune and Cold Air were installed).