Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header – Stainless

SKU: GP129S | UPC: 677418005530

Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header – Stainless

Gibson Performance Headers GP129S are dyno-tuned stainless steel exhaust headers designed for 2002-2014 GM full-size trucks and SUVs with 4.8L 5.3L and 6.0L engines including Cadillac Escalade Chevrolet Silverado Tahoe Suburban Avalanche GMC Sierra Yukon and Hummer H2. These headers replace factory manifolds to unlock low and mid-range power gains improve exhaust flow and reduce underhood heat for better highway performance. Engineered for direct bolt-on installation with stock crossover pipes they fit street off-road lowered or lifted vehicles.

Key Features

• Mandrel-Bent 1-1/2in 16 Gauge T304 Stainless Tubing: Provides smooth exhaust flow for increased horsepower and torque at everyday RPMs while resisting corrosion for long-lasting durability.
• 3/8in Heavy Duty Laser Cut Port Flanges: Ensures leak-free seals with no warping under high heat for reliable performance and easy installation.
• Direct Bolt-On Design: Uses OEM-style connections and stock crossover pipe with no welding required making it a plug-and-play upgrade.
• 50-State Street Legal: Meets EPA and CARB emissions standards without voiding factory warranties for worry-free use anywhere.
• Lifetime Limited Warranty: Backed by Gibson quality with premium gaskets and hardware included for complete confidence.

Product Notes

• Retains factory crossover pipe for emissions compliance and simplified setup.
• Cooler engine bay temperatures from improved breathing and scavenging.
• Ships as special order in protective packaging typically within 2-3 business days.

Installation Notes

• Professional installation recommended.
• Bolt-on replacement takes 2-4 hours with basic tools no cutting or fabrication needed.
• Includes all necessary gaskets bolts and hardware for OEM connections.

This Part Fits

Year	Make	Model	Submodel
2002-2005,2007-2013	Cadillac	Escalade	Base
2011-2013	Cadillac	Escalade	Luxury
2008-2013	Cadillac	Escalade	Platinum
2011-2013	Cadillac	Escalade	Premium
2007-2013	Cadillac	Escalade ESV	Base
2011-2013	Cadillac	Escalade ESV	Luxury
2008-2013	Cadillac	Escalade ESV	Platinum
2011-2013	Cadillac	Escalade ESV	Premium
2007-2013	Cadillac	Escalade EXT	Base
2011-2013	Cadillac	Escalade EXT	Luxury
2011-2013	Cadillac	Escalade EXT	Premium
2013	Chevrolet	Avalanche	Black Diamond LS
2013	Chevrolet	Avalanche	Black Diamond LT
2013	Chevrolet	Avalanche	Black Diamond LTZ
2007-2012	Chevrolet	Avalanche	LS
2007-2012	Chevrolet	Avalanche	LT
2007-2012	Chevrolet	Avalanche	LTZ
2002-2005	Chevrolet	Avalanche 1500	Base
2005-2006	Chevrolet	Avalanche 1500	LS
2005-2006	Chevrolet	Avalanche 1500	LT
2002-2003	Chevrolet	Avalanche 1500	North Face
2002-2003	Chevrolet	Avalanche 1500	On Road Edition
2003	Chevrolet	Avalanche 1500	WBH
2004-2006	Chevrolet	Avalanche 1500	Z66
2002-2006	Chevrolet	Avalanche 1500	Z71
2002-2005	Chevrolet	Silverado 1500	Base
2004-2006,2009-2012	Chevrolet	Silverado 1500	Hybrid
2002-2013	Chevrolet	Silverado 1500	LS
2002-2013	Chevrolet	Silverado 1500	LT
2007-2013	Chevrolet	Silverado 1500	LTZ
2002-2013	Chevrolet	Silverado 1500	WT
2010-2013	Chevrolet	Silverado 1500	XFE
2004	Chevrolet	Silverado 1500	Z71
2007	Chevrolet	Silverado 1500 Classic	Hybrid
2007	Chevrolet	Silverado 1500 Classic	LS
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	WT
2006	Chevrolet	Suburban 1500	Base
2002-2014	Chevrolet	Suburban 1500	LS
2002-2014	Chevrolet	Suburban 1500	LT
2007-2014	Chevrolet	Suburban 1500	LTZ
2002-2007	Chevrolet	Suburban 1500	Z71
2006	Chevrolet	Tahoe	Base
2008-2010,2012-2013	Chevrolet	Tahoe	Hybrid
2002-2014	Chevrolet	Tahoe	LS
2002-2014	Chevrolet	Tahoe	LT
2007-2014	Chevrolet	Tahoe	LTZ
2007-2014	Chevrolet	Tahoe	PPV
2012-2014	Chevrolet	Tahoe	SSV
2002-2006	Chevrolet	Tahoe	Z71
2002-2005	GMC	Sierra 1500	Base
2010-2013	GMC	Sierra 1500	Denali
2002	GMC	Sierra 1500	HT
2005-2006,2009-2010,2012	GMC	Sierra 1500	Hybrid
2002-2003,2006-2013	GMC	Sierra 1500	SL
2002-2013	GMC	Sierra 1500	SLE
2002-2013	GMC	Sierra 1500	SLT
2002-2013	GMC	Sierra 1500	WT
2010-2013	GMC	Sierra 1500	XFE
2007	GMC	Sierra 1500 Classic	Hybrid
2007	GMC	Sierra 1500 Classic	SL
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2007	GMC	Sierra 1500 Classic	WT
2007-2013	GMC	Yukon	Denali
2010,2012-2013	GMC	Yukon	Denali Hybrid
2008-2010,2012-2013	GMC	Yukon	Hybrid
2006	GMC	Yukon	SL
2002-2014	GMC	Yukon	SLE
2002-2014	GMC	Yukon	SLT
2007-2013	GMC	Yukon XL 1500	Denali
2006	GMC	Yukon XL 1500	SL
2002-2010,2012-2013	GMC	Yukon XL 1500	SLE
2002-2013	GMC	Yukon XL 1500	SLT
2007-2009	Hummer	H2	Base

Why Choose Gibson?

• Dyno-tested designs proven to add real-world power on GM LS engines.
• 16-gauge T304 stainless construction built for daily driving and abuse.
• Precise engineering matches factory specs for seamless fit and emissions compliance.

Frequently Asked Questions

• Q: Does GP129S fit my 2007 Chevy Silverado 1500 LT 5.3L?
  A: Yes it bolts directly to 2002-2013 Silverado 1500 LS LT LTZ WT models with 5.3L using stock catalytic converters and crossovers.
• Q: What material are these headers made from?
  A: Mandrel-bent 16-gauge T304 stainless steel tubing with 2.5in collectors for strength corrosion resistance and optimal flow.
• Q: What warranty comes with this header set?
  A: Lifetime limited warranty covers manufacturing defects when installed properly with included hardware.

Shipping & Handling

• Method: Standard ground shipping
• Availability: In stock – ships same or next business day
• Packaging: Secure single box 48in x 14in x 14in
• Weight: 42 lbs