This is a fiberglass cover designed to go over the plenum.
Installs with 3m tape or if you select the OEM replacement part it will install with the same four bolts you remove to take off the stock piece.
They are available in gloss or matte finish. The two color plenum is silver and whatever color you select.
Hydrographic/Body Color Match Finish applied with 5 Coats of PPG UV Clear then Buffed to a Show Winning Shine.
Lifetime Warranty against Cracking, Fading or Peeling.