2009 CTS-V owners now have an opportunity to take that built in HP to another level with ARH’s new 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's new CTS-V system will deliver the performance you’d expect, with the quality ARH is known for. The system comes with 1-7/8" primaries with 3/8"thick flanges and hand ported inlets, our trademark merge collectors with scavenger spikes, a 3" X-pipe that includes ARH's 200 cell metallic substrate cats and connections pipes that route back to the rear axle. The installation is simple and straight forward. Minor fabrication is required to adapt the system to the factory mufflers but everything is supplied to make the job a snap. Now one of the hottest GM vehicles to ever hit the performance world has got a header system that can only make it hotter.
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