Home/2011 Mustang Headers Stainless Works SP Ford Mustang GT 2011-14 Headers: 1-7/8 with Off-Road X-Pip $1,537.60 Stainless Works SP Ford Mustang GT 2011-14 Headers: 1-7/8 with Catted X-Pipe $1,826.02 Stainless Works Ford Mustang GT 2011-14 Headers: 1-7/8 with Off-Road X-Pipe $2,454.42 Stainless Works Ford Mustang GT 2011-14 Headers: 1-7/8 with Catted X-Pipe $2,752.37 Remflex Exhaust gasket, 5.0 Coyote engines with headers $39.68 O2 Extension Harness pair 12, 2011-2014 Mustang V6, Front $41.44 O2 Extension Harness pair 24, 2011-2017 Mustang, Rear $51.80 O2 Extension Harness pair 12, 2011-2014 Mustang, Front $41.44 BBK X-pipe w/ high flow cats for long tubes, 2011-2014 Mustang GT $693.86 BBK long tube headers, ceramic, 2011-2014, 2015+ Mustang GT $833.56 BBK O2 Extenders, Front, Pair, 2011-14 Mustang GT $72.27 BBK O2 Extenders, Front, Pair, 2011-14 Mustang V6 $72.27 BBK O2 Extenders, Rear, Pair, 2011-14 Mustang $72.27
