Talk to a Sierra 1500 Sales Tech
1-610-990-4561
M-F 8:30A-11P ET, Sat-Sun 8:30A-9P ET
$3K Fall Sweepstakes! Enter Now >

Kooks 1-3/4-Inch Long Tube Headers with Ultra-GREEN Catted Y-Pipe (19-26 5.3L Sierra 1500)Find parts that fit my vehicle

Item S518179
$0.00
1 Reviews
Our Price

$4,663.04 kit

Military, Medical & First Responders Earn $233.15 in AT Cash Rewards. Get Verified

CONFIRM THIS FITS YOUR VEHICLE!

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • Kooks 1-3/4-Inch Long Tube Headers with Ultra-GREEN Catted Y-Pipe
      • Mandrel-Bent 1-3/4-Inch Stainless Steel Tubing for Maximum Exhaust Flow
      • Ultra-GREEN High-Performance Catalytic Converters for Emissions Compliance
      • Designed to Improve Horsepower and Torque
      • Optimized Collector Design for Enhanced Exhaust Scavenging
      • Corrosion-Resistant Stainless Steel Construction
      • Direct Bolt-On Installation with Included Hardware
      • Fits 2019-2026 5.3L GMC Sierra 1500 Models

      Description

      Boost Your Sierra’s Performance with High-Flow Long Tube Headers. The Kooks 1-3/4-Inch Long Tube Headers with Ultra-GREEN Catted Y-Pipe are engineered to maximize exhaust flow, resulting in improved horsepower and torque. With a high-flow design, these headers optimize exhaust scavenging, reducing backpressure and enhancing throttle response for a more powerful driving experience.

      Durable, Corrosion-Resistant, and Built for Long-Term Use. Constructed from high-quality stainless steel, these headers resist rust and corrosion while maintaining structural integrity under extreme heat. The included Ultra-GREEN catalytic converters ensure emissions compliance while allowing for efficient exhaust flow. Designed for a precise fit, these headers provide a seamless upgrade without sacrificing reliability.

      Installation. Professional installation is recommended due to the complexity of exhaust system modifications.

      Application. The Kooks 1-3/4-Inch Long Tube Headers with Ultra-GREEN Catted Y-Pipe are designed to fit 2019-2026 5.3L GMC Sierra 1500 models.

      Kooks 2862H300

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) a Day

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Long Tube Headers and Y-Pipe Kit

      5.0

      Customer Reviews (1)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 1500

      • 5.3L V8 - 19, 20, 21, 22, 23, 24, 25, 26