Gibson 04-08 Ford F-150 STX 4.6L 2.5in Cat-Back Dual Extreme Exhaust - Aluminized

For the extremist who wants to take their truck to the next level, this dual bolt-on Cat back system is for you. This system exists behind the rear tires at an aggressive angle with a powerful exhaust tone. You will gain bold street looks with powerful dyno tuned and tested street performance gains. You can expect to experience gains on average of 15-20 horsepower. Gibson muffler provides a mean performance sound and complemented with polished Stainless Tip. Easy bolt-on installation. No welding required. Backed by a Lifetime Limited Warranty. If you want Extreme, this system is it.Installation InstructionsCertificate of OriginThis Part Fits: Year Make Model Submodel 2007-2008 Ford F-150 FX2 2004-2008 Ford F-150 FX4 2006-2008 Ford F-150 Harley-Davidson Edition 2005-2008 Ford F-150 King Ranch 2004-2008 Ford F-150 Lariat 2008 Ford F-150 Limited 2004-2008 Ford F-150 STX 2008 Ford F-150 THE 60TH ANNIVERSARY EDITION 2004-2008 Ford F-150 XL 2004-2008 Ford F-150 XLT 2006-2008 Lincoln Mark LT Base