ARH - Long Tube Headers & X-Pipe (09-14 CTS-V) ls3 NGK TR-6 Spark Plugs

NGK TR-6 Spark Plugs

you can see the mill marks where the unit was milled by hand in order to achieve the precise angles required)

and put it all in one convenient package

GM RTV Sealant

positioning of the intercooler is critical

ARH - Long Tube Headers & X-Pipe (09-14 CTS-V) ls3 NGK TR-6 Spark PlugsCTS 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