Borla Mustang GT/ Boss 302 2011-2014 Headers

Part# 17263 Product Type Long Tube Collector (Outer Diameter) 2.75" Primary Tube (Outer Diameter) 1.75" Will not bolt onto factory H-pipe. Does bolt directly onto a BORLA® cat-back exhaust system (p# 140371, 140370, 140372, 140389, 140514, 140515, 140516) or BORLA® X-pipe p# 60513. These long tube headers have 1.75" Primary pipes and 2.75" merge collectors. The catalytic converters are removed when using these headers. These headers are for competition use only and are designed to be used with vehicles equipped with extensive performance upgrades. This is a race header and not recommended for emission controlled vehicles.