Note- This sale is just for the Diffuser and fins and not the bottom bumper. This Diffuser is made of 6mm Poly metal. Comes in Satin Black on all sides. All hardware and instructions are included for an easy install. Made in the USA! These are in stock and we ship Fast! FITMENT- Camaro ZL1 2014-15. Note this will only fit the ZL1 bumper. This will not fit the SS dual tip bumper.