2011-14 Ford F-150 Raptor 6.2L SuperCrew Truck headers with 1.875″ dia. primaries and 3″ slip fit collectors with merge spikes. Includes 3″ lead pipes, hi flow metal matrix catalytic converters, X-pipe and clamps. Designed to fit to Stainless Works Performance Connect “Under Bumper” or “Behind Rear Tire” exit for true-dual X-pipe power.