The DC Sports header systems are dyno tested. They precision-bend their headers on a CNC mandrel bender. Their flanges are CNC machined, they machine-grind the flange mating surface to ensure a leak-free seal and use a robotic welder to attach the flange to the header pipes. Their state-of-art manufacturing process ensures superior quality and a perfect fit with every header. The 50-state legal DC Sports header 4-2-1 two-piece designed for easy installation and unmatched low to mid-range power.
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