Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless Gibson GIBGP129S
Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless Gibson GIBGP129S
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Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header - Stainless

Gibson
GIBGP129S
677418005530
Headers & Manifolds
5 Units In Stock - Ships Next Business Day
$ 2,040.10
$ 2,040.10

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

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