Originally Posted by 1st

Fujimura diffuser is the way to go from RHDJapan. Made to order so the wait is something like 4-6 weeks out. This is the (FRP) black gel coated version. They have it listed at $265.00 @ Fujimura Auto Rocket Dancer Aero - Rear Under Diffuser FRP Fairlady Z Z34 - RHDJapan