An aftermarket header is a great power adder that can really fine tune the power band of your 370Z or G37. DC Sports headers are a proven choice backed by years of success in the import market. Their state-of-the-art manufacturing process ensures superior quality and a perfect fit with every header system, so much that a one year guarantee is standard. DC headers are available in 304 stainless steel or a ceramic- coated mild steel finish. CAD-rendering and dyno tuning ensures power is optimized across the RPM range. Equal length mandrel bent primary piping and high flowing merge collectors allow for proper exhaust gas flow and less turbulence than competitors products.