Gibson 04-10 Ford F-150 FX4 5.4L 1-5/8in 16 Gauge Performance Header - Stainless

Every Gibson Performance Header is Dyno-tuned and engineered to deliver more usable horsepower and torque at low and mid-range RPM highway speeds. Improves engines ability to breathe and cooler operating engine temperature. Designed as a direct replacement for the factory manifolds, using the stock crossover pipe. They are well suited for lowered and raised vehicles, street and off-road. 50 State Street legal. Meets EPA and CARB requirements. Will not affect the factory warranty. No welding required. Uses OEM style connections. 3/8 in. Heavy Duty Laser Cut Port Flanges- No Warping or Leaking. Premium Gaskets and Hardware included. Backed by a Lifetime Limited Warranty.Installation InstructionsCertificate of OriginWarrantyThis Part Fits: Year Make Model Submodel 2006-2010 Ford Expedition Eddie Bauer 2007-2010 Ford Expedition EL Eddie Bauer 2008-2010 Ford Expedition EL King Ranch 2007-2010 Ford Expedition EL Limited 2007-2010 Ford Expedition EL XLT 2008 Ford Expedition Funkmaster Flex Edition 2006,2008-2010 Ford Expedition King Ranch 2006-2010 Ford Expedition Limited 2006 Ford Expedition XLS 2006-2010 Ford Expedition XLT 2006 Ford Expedition XLT Sport 2007-2008,2010 Ford F-150 FX2 2004-2010 Ford F-150 FX4 2006-2008,2010 Ford F-150 Harley-Davidson Edition 2005-2010 Ford F-150 King Ranch 2004-2010 Ford F-150 Lariat 2008 Ford F-150 Limited 2009-2010 Ford F-150 Platinum 2010 Ford F-150 SVT Raptor 2008 Ford F-150 THE 60TH ANNIVERSARY EDITION 2004-2010 Ford F-150 XL 2004-2010 Ford F-150 XLT 2006-2007 Lincoln Mark LT Base