1993 Camaro / Firebird 4:1 header single cat. w/Y-Pipe. Constructed of 14 gauge steel with 3/8 flanges. 1 3/4 inch primary tube. HPC-coated (inner & outer surfaces). Y-pipe HPC ceramic coated inside and out. Headers come with necessary emission connections. Includes all bolts, gaskets and instructions. 20403-S$787.00 If you don't see what you're looking for please call or e-mail us. Phone: (480) 753-0208 Fax: (480) 753-0216 Hours: 8am - 5pm M-F Mountain Standard Time Click Here to E-Mail AZ Speed