350z Z33 HR 370z Z34 VHR TORQEN HELMZ resonated test pipes

The result in using Helmholtz resonated chambers is a quieter, deep and smooth V8 like sound for the VQDE and VQHR engines, while getting rid of raspiness and droning. The TORQEN HELMZ test pipes come with 24 months warranty for the initial customer and that covers and fitment issues, welding defects or deep rust.