Your look for a performance header for your 370z and you do not know where to start. I advise starting with a STILLEN 409 Stainless Steel High Performance Headers for you 370z. With a long history of quality products STILLEN 409 Stainless Steel High Performance Header is number one in tuner performance. The STILLEN 409 Stainless Steel High Performance Header haves a long history of providing quality sports header. A 370z STILLEN 409 Stainless Steel High Performance Header bolted on in place of your stock exhaust manifold can improve gas flow by a factor of four. The STILLEN 409 Stainless Steel High Performance Header is the finest available. With months invested in development work, these header produce big increases in streetable power and torque on both naturally aspirated and forced induction vehicles. The equal length design of the header allows better and more efficient exhaust scavenging which contributes to the dyno tested performance gains. For examples, the 370Z produced 14.5 hp at @ 6800 RPM and 18.5-lb.ft @ 4800 RPM at the wheels.

With STILLEN's 20 years of experience in designing and manufacturing Nissan performance parts, you should have complete confidence that every STILLEN product is of the highest quality and has under gone extensive research and development before production. STILLEN manufactures our high performance header from varying materials according to application parameters. All of our uncoated headers are stainless steel for long life and corrosion resistance. Our ceramic coated header are for those who want an additional thermal barrier to lower engine bay temperatures as well as excellent stain and rust resistance. These hand crafted shorty header do not require the removal of the catalytic converters. STILLEN 409 Stainless Steel High Performance Header excellent corrosion resistances, may develop light surface discoloring. Installation should be done by a qualified mechanic with proper tools and a lift. This is not a backyard bolt on. This STILLEN 409 Stainless Steel High Performance Header does not remove the cats, but are 50 states legal. So forget those thoughts of having a factory header on your 370z and take a look at the STILLEN 409 Stainless Steel High Performance Header today.