MBRP Exhaust S6002AL Installer Series Cool Duals Cat Back Exhaust SystemExhaust System Kit Installer Series Cool Duals Cat Back Exhaust System Installer Series Cool Duals Cat Back Exhaust System; 4 in.; Incl. Extension Pipes Muffler Hardware 4 in. Tip; Dual Split Side Exit; Aluminized; [Available While Supplies Last]; SPECIFICATIONS: WARNING CA Proposition 65 Message: WARNING: This product can expose you to chemicals including nickel [metallic] and chromium [hexavalent compounds] which are known to the State of California