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Gibson 02-05 Cadillac Escalade 1-1/2in SS Header | Chevy/GMC/GM (GP129S)

Gibson 02-05 Cadillac Escalade 1-1/2in SS Header | Chevy/GMC/GM (GP129S)

GP129S

In stock

$2,040.10 USD
$2,040.10 USD $2,040.10 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Gibson 02-05 Cadillac Escalade Base 5.3L 1-1/2in 16 Gauge Performance Header is a high-performance exhaust component designed to enhance engine breathing and overall power output. Crafted from durable 16-gauge stainless steel, these headers are dyno-tuned to deliver increased usable horsepower and torque across low and mid-range RPM highway speeds. They improve engine efficiency by promoting cooler operating temperatures and better exhaust flow, making them an ideal upgrade for enthusiasts seeking improved performance. The headers are engineered as direct replacements for the factory manifolds, utilizing the stock crossover pipe for seamless installation. Their well-built construction ensures longevity and reliable performance, while being street legal in all 50 states and compliant with EPA and CARB standards. Installation requires no welding, simplifying the upgrade process.

Designed for 2002 to 2005 Cadillac Escalade models equipped with a 5.3L engine, these headers are suitable for both street and off-road applications. They are compatible with lowered and raised vehicles, providing a versatile upgrade option for various setups. The headers serve as a direct bolt-on replacement for the factory exhaust manifolds, ensuring a straightforward installation process. The kit includes the headers and necessary hardware, with no modifications needed for proper fitment. Ideal for performance-oriented street driving or off-road use, these headers help maximize engine efficiency and power output while maintaining legal compliance and factory warranty integrity.

Overview

Gibson Performance Header

Fits 2002–2005 Cadillac Escalade with 5.3L Engine

Part #: GP129S

Overview

The Gibson Performance Header is a high-quality exhaust component designed to enhance the airflow and overall performance of your Cadillac Escalade's 5.3L engine. Crafted from durable 16-gauge stainless steel, this header replaces the factory manifold to improve engine breathing, resulting in increased horsepower and torque across low and mid-range RPMs. Its direct-fit design ensures a straightforward installation, making it an excellent upgrade for enthusiasts seeking improved power, better engine cooling, and a more aggressive exhaust note. Whether you're customizing your vehicle for street use or off-road adventures, this performance header offers reliable, long-lasting performance that supports your driving goals.

Key Features

This performance header combines quality materials and thoughtful design to deliver practical benefits:
  • Constructed from durable 16-gauge stainless steel for corrosion resistance and longevity
  • Dyno-tuned to optimize horsepower and torque at low and mid-range RPMs
  • Designed as a direct replacement for factory manifolds, using the stock crossover pipe for seamless fitment
  • Helps improve engine breathing and reduces operating temperatures for enhanced reliability
  • Suitable for both street and off-road applications, including lowered and raised vehicles
  • 50 State Street legal, meeting EPA and CARB requirements
  • No welding required for installation, simplifying the upgrade process

Construction & Design

Built from high-grade stainless steel, this header features mandrel-bent tubing and precision welds to ensure optimal exhaust flow and durability. Its design maintains compatibility with the factory crossover pipe, ensuring a perfect fit without modifications.

Performance & Response

By improving exhaust flow, this header helps your engine produce more usable power and torque, especially at low and mid-range speeds. The enhanced airflow also contributes to cooler operating temperatures, supporting engine longevity and consistent performance.

Installation & Fitment

Designed as a direct replacement for the factory exhaust manifold, this header installs using existing mounting points and the stock crossover pipe. No welding or complex modifications are necessary, making it accessible for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the stainless steel performance header, ready for installation on compatible Cadillac Escalade models with a 5.3L engine.

Ideal For

Ideal for Escalade owners looking to boost engine response, improve exhaust sound, and enhance overall vehicle performance without sacrificing reliability or legality.
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