350z DE HKS Stainless Steel Exhaust Manifold Headers

Features:

    It's compliant for 6MT and 5AT of Z33.
    We have analyzed thoroughly on flow speed and resistance with flow bench and we could reach a great improvement on performance. Especially from 3500rpm to 5000rpm torque improvement make driving much more exciting.
    Better appearances and more strength with Tig welding.
    Original thermal insulation plate is standard equipment and also the thermal tape for the absolute measure for heat.