COBB FOR001FO2CF FORD Stage 2 Carbon Fiber Power Package Focus ST 2013-2017 ymm_31 and includes S-Type mufflers with

and includes S-Type mufflers with high flow numbers that generate power enhancements

Inlet/Outlet: 4" Center Inlet / 4" Center Outlet

Alternate muffler with un-notched necks is available as part number 40474

Clamp-on installation with notched necks (clamps not included)

COBB FOR001FO2CF FORD Stage 2 Carbon Fiber Power Package Focus ST 2013-2017 ymm_31 and includes S-Type mufflers withThe Accessport V3 is the world's best selling, most flexible ECU upgrade solution for Ford. Unlock power hidden within the vehicle by replacing conservative factory settings with more aggressive calibrations. Upgrade forever with off the shelf (OTS) calibrations for most bolt on modifications. It's the last engine management solution you'll ever need. Maintaining the best qualities of the factory intake while improving on the rest, the COBB Carbon