GMC Yukon 2021-present Exhaust Specifications
GMC Yukon 2021-present

GMC Yukon 2021-present Exhaust Specifications

Explore the detailed exhaust system specifications for the 2021-Present GMC Yukon, including pipe dimensions, catalytic converter details, muffler design, and emission standards. Essential for maintenance, repair, and upgrades.

Updated

Overview Specifications

This document provides detailed specifications and information about the exhaust system of the 2021-Present GMC Yukon. It is designed to help users understand the technical aspects, performance, and maintenance of the exhaust system. The document is organized into sections for easy navigation and includes a quick reference guide for key specifications. Use the search and navigation instructions to find specific details quickly.

How to Use

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Key Specifications

Material

Stainless steel

Emissions Standard

EPA Tier 3

Horsepower Contribution

Up to 420 HP

Catalytic Converters

Dual-stage

Inspection Interval

12,000 miles

Available Specifications

Exhaust System Overview

This section provides an overview of the exhaust system in the 2021-Present GMC Yukon, including its components and their functions. Learn about the design and materials used to ensure optimal performance and durability.

Exhaust Components
  • Stainless steel exhaust manifold for durability
  • Catalytic converter for emissions control
  • Muffler for noise reduction
  • Tailpipe for exhaust gas expulsion
  • Oxygen sensors for fuel efficiency
  • Heat shields for temperature management
System Design
  • Designed for optimal airflow and performance
  • Incorporates noise-canceling technology
  • Engineered for minimal backpressure
  • Corrosion-resistant materials used throughout

Performance Specifications

This section outlines the performance-related specifications of the exhaust system. Understand how the system contributes to the vehicle's overall performance, including horsepower, torque, and emissions.

Power Output
  • Contributes to 355-420 horsepower depending on engine
  • Enhances torque output for towing capabilities
  • Optimized for fuel efficiency
  • Supports engine performance at high RPMs
Emissions Compliance
  • Meets EPA and CARB emissions standards
  • Reduces harmful pollutants significantly
  • Equipped with advanced catalytic converters
  • Monitors emissions via onboard diagnostics

Maintenance and Care

This section provides guidance on maintaining and caring for the exhaust system. Learn about inspection routines, common issues, and tips to extend the system's lifespan.

Inspection Guidelines
  • Inspect exhaust system every 12,000 miles
  • Check for rust or corrosion regularly
  • Listen for unusual noises or rattles
  • Ensure all connections are secure
Common Issues
  • Rust formation in humid climates
  • Cracked or damaged exhaust manifolds
  • Clogged catalytic converters
  • Loose or broken heat shields

Component Specifications

Overview

Type
Dual Exhaust System
Configuration
Rear Exit
Platform
Full-Size SUV
Material
Stainless Steel
Location
Underbody

Dimensions

Overall Length
78 inches (198.1 cm)
Pipe Diameter
2.5 inches (6.35 cm)
Tailpipe Diameter
3 inches (7.62 cm)
Muffler Length
24 inches (60.96 cm)
Muffler Width
10 inches (25.4 cm)
Muffler Height
8 inches (20.32 cm)
Ground Clearance
8.5 inches (21.59 cm)

Materials

Pipes
Stainless Steel
Muffler
Aluminized Steel
Catalytic Converter
Ceramic Substrate
Tailpipe
Chrome-Plated Steel

Features

Performance
  • Reduced Back Pressure
  • Enhanced Exhaust Flow
  • Improved Engine Efficiency
  • Increased Horsepower
Design
  • Dual Exhaust Tips
  • Chrome Finish
  • Integrated Heat Shields
  • Aero-Dynamic Shape
Technology
  • Acoustic Tuning
  • Corrosion Resistance
  • Heat Management
  • Vibration Dampening
Environmental
  • Low Emissions
  • Catalytic Converter
  • EPA Compliant
  • Recyclable Materials

Safety Features

Heat Protection
  • Heat Shields
  • Thermal Insulation
Structural integrity
  • Reinforced Mounts
  • Anti-Vibration Hangers
Emissions
  • Catalytic Converter
  • O2 Sensors

Comfort Features

Noise Reduction
  • Acoustic Muffler
  • Resonator
Vibration Control
  • Rubber Hangers
  • Flex Joints
Heat Management
  • Heat Shields
  • Insulated Pipes

Accessories

Upgrades
  • Performance Muffler
  • High-Flow Catalytic Converter
  • Custom Exhaust Tips
Maintenance
  • Exhaust Sealant
  • Hanger Kits
  • Clamp Sets
Protection
  • Heat Wrap
  • Underbody Coating
  • Corrosion Inhibitor

Maintenance

Service interval
Every 30,000 miles (48,280 km)
Service Items
  • Inspect for Leaks
  • Check Hangers and Mounts
  • Clean Exhaust Tips
  • Inspect Catalytic Converter
  • Check for Corrosion
Maintenance Notes
Regular inspection is crucial to prevent leaks and ensure optimal performance.

Warranty

Bumper To Bumper
Miles: 36,000 miles
Years: 3 years
Coverage: Full Replacement
Powertrain
Miles: 60,000 miles
Years: 5 years
Coverage: Partial Coverage
Emissions
Miles: 80,000 miles
Years: 8 years
Coverage: Emission Components
Corrosion
Miles: 100,000 miles
Years: 6 years
Coverage: Perforation Only

Production Details

Manufacturer
GM Performance
Manufacturing Process
  • Laser Cutting
  • TIG Welding
  • Press Forming
Quality Control
inspection: 100% Visual Inspection
Testing: Pressure Testing, Leak Testing, Vibration Testing
Sustainability Practices
  • Recycled Materials
  • Energy-Efficient Manufacturing
  • Low Waste Production
Production Metrics
Units Per Day: 500
Defect Rate: 0.1%
Lead Time: 2 weeks

Service Information for exhaust Service

Maintenance and service requirements specific to this component

30,000 miles
24 months
  • Inspect for leaks and cracks
  • Check exhaust hangers and mounts
  • Clean exhaust tips
  • Inspect catalytic converter
  • Check for corrosion and rust

Ensure all connections are secure and free from leaks.

60,000 miles
48 months
  • Inspect muffler for damage
  • Check for exhaust system alignment
  • Inspect heat shields
  • Test O2 sensors
  • Check for unusual noises or vibrations

Use a lift for thorough inspection and access.

100,000 miles
84 months
  • Replace catalytic converter if necessary
  • Inspect and replace muffler if needed
  • Check and replace exhaust pipes if corroded
  • Perform full system pressure test
  • Inspect and replace gaskets and seals

Consider full system overhaul if significant wear is detected.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Is the exhaust system compatible with all trims of the 2021-Present GMC Yukon?

The exhaust system for the 2021-Present GMC Yukon is designed to be compatible with all trims, including SLE, SLT, AT4, and Denali. It is engineered to fit the vehicle’s chassis and engine configurations, including the 5.3L V8, 6.2L V8, and 3.0L Duramax Turbo-Diesel. Always verify compatibility with your specific model and year before purchase.

Q2

What are the maintenance requirements for the GMC Yukon exhaust system?

Regular maintenance for the GMC Yukon exhaust system includes inspecting for rust, cracks, or leaks every 10,000 miles. Ensure all mounting brackets and hangers are secure. Clean the exhaust tips to prevent buildup. Replace worn-out components like gaskets or mufflers as needed. Adhere to the vehicle’s service schedule for optimal performance.

Q3

How do I install or replace the exhaust system on a GMC Yukon?

To install or replace the exhaust system, first, lift the vehicle securely. Remove the old exhaust by detaching clamps, bolts, and hangers. Align the new exhaust system, ensuring proper fitment to the catalytic converter and tailpipe. Secure all connections tightly and check for leaks. Use a torque wrench to tighten bolts to manufacturer specifications.

Q4

What should I do if my GMC Yukon exhaust system is making unusual noises?

Unusual noises from the exhaust system may indicate loose components, leaks, or damaged parts. Inspect the system for visible issues like cracks or detached hangers. Check for exhaust leaks using soapy water. Tighten loose bolts or clamps. If the issue persists, consult a professional for a detailed diagnosis.

Q5

How can I optimize the performance of my GMC Yukon exhaust system?

To optimize performance, consider upgrading to a high-flow catalytic converter or performance muffler. Ensure the exhaust system is free of obstructions and leaks. Regularly clean and inspect components. Pair the exhaust system with a compatible air intake and tune for improved efficiency and horsepower.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2021-Present GMC Yukon Exhaust System Service Manual

Coming Soon

This manual provides detailed instructions for servicing and maintaining the exhaust system, including diagrams and specifications.

Technical Service Bulletin: Exhaust System Updates

Coming Soon

This bulletin outlines recent updates and fixes for the GMC Yukon exhaust system, including part numbers and installation notes.

GMC Yukon Exhaust Parts and Accessories Guide

Coming Soon

A comprehensive catalog of exhaust system components and accessories, including performance upgrades and replacement parts.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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