American Racing: 1-7/8" or 2" Headers Exhaust [CTS V gen 2, LSA] Emissions:Catless - off road A study was conducted to

A study was conducted to quantify numerous modifications to the flow path

for daily use or to alter its power output characteristics to suit an aggressive pulley combo

and the 2013 Mustang GT500

Combine that with the front-mounted low temperature radiator

Utilizes the Gen IV LS7 valve-train and intake manifold

American Racing: 1-7/8" or 2" Headers Exhaust [CTS V gen 2, LSA] Emissions:Catless - off road A study was conducted toCTS V Owners have an opportunity to take that built in HP to another level with ARH's 100% U. S. made 304 S S header system. Designed to free up some serious HP by eliminating what's arguably one of the most restrictive factory exhaust systems ever, ARH CTS V systems will deliver the performance you'd expect, with the quality ARH is know for. The system comes with 1 7 8"or 2" primaries with 3 8" think flanges and hand ported inlets, our trademark