Kooks- 2012-2013 Boss 302 :3" X 2-3/4"(OEM) SS CATTED H-PIPE 3" x 2-3/4" (OEM) Catted Stainless Steel H-Pipe. 2012-2013 Ford Mustang GT 5.0L 4V 302 Boss Edition. 3" 16GA 304 Stainless Steel construction Ball and socket style connection to Headers Includes Connections for OEM Side-Pipes KOOKS Standard 300... MSRP: Was: Now: $1,612.12 Add to Cart