Audi Audi S8 2019-present Exhaust Specifications
Audi Audi S8 2019-present

Audi Audi S8 2019-present Exhaust Specifications

Find detailed exhaust system specifications for the 2019-Present Audi S8. Includes technical details, performance enhancements, and maintenance tips.

Updated

Exhaust System Specifications Specifications

This document provides a comprehensive overview of the exhaust system specifications for the 2019-Present Audi S8. It includes detailed technical information, key components, and performance metrics. Use this guide to understand the design, functionality, and maintenance requirements of the exhaust system. Refer to the sections below for in-depth details and use the quick reference section for key specifications.

How to Use

To find specific information, use the search functionality by typing keywords related to the exhaust system, such as 'muffler', 'tailpipe', or 'catalytic converter'. This will help you quickly locate relevant sections and details.

Navigate through the document by exploring the sections listed in the table of contents. Each section provides detailed information on specific components of the exhaust system. Use the subsections to drill down into technical specifications and key features.

Key Specifications

Exhaust System Type

Dual exhaust with twin tailpipes

Muffler Material

Stainless steel

Tailpipe Diameter

90mm

Catalytic Converter Type

High-efficiency with washcoat technology

Exhaust Tuning

Active valve system with sport mode

Available Specifications

Exhaust System Overview

This section provides a general overview of the Audi S8's exhaust system, including its design, materials, and overall performance characteristics. It covers the basic components and their roles in optimizing engine performance and reducing emissions.

System Design and Layout
  • Dual exhaust system with twin tailpipes
  • Stainless steel construction for durability and corrosion resistance
  • Optimized pipe diameter for improved flow and performance
  • Integrated catalytic converters for emissions control
  • Acoustic tuning for a sporty exhaust note
Key Components
  • High-performance mufflers with internal baffles
  • Tailpipes with chrome-plated tips
  • Catalytic converters with advanced emissions reduction technology
  • Exhaust manifold with integrated heat shields
  • Flexible exhaust joints for reduced vibration

Mufflers and Tailpipes

This section details the design and functionality of the mufflers and tailpipes in the Audi S8's exhaust system. It covers materials, dimensions, and performance characteristics.

Muffler Specifications
  • High-flow muffler design for increased exhaust gas throughput
  • Internal baffles for sound damping and flow optimization
  • Stainless steel wool and ceramic fiber insulation
  • Welded construction for strength and durability
  • Designed for minimal backpressure and maximum performance
Tailpipe Specifications
  • Twin oval-shaped tailpipes with chrome-plated finish
  • Tailpipe diameter: 90mm
  • Integrated exhaust valve system for variable sound control
  • Heat-resistant coatings to prevent discoloration
  • Aerodynamically designed tips for reduced drag

Catalytic Converters

This section provides detailed information on the catalytic converters used in the Audi S8's exhaust system, including their design, functionality, and emissions reduction capabilities.

Catalytic Converter Specifications
  • High-efficiency catalytic converters with advanced washcoat technology
  • Dual catalytic converters for reduced emissions
  • Honeycomb substrate for maximum surface area and efficiency
  • Integrated oxygen sensor mounting points
  • Designed to meet stringent emissions regulations
  • Quick-light-off design for faster warm-up and emissions reduction

Exhaust Tuning and Performance

This section covers the performance aspects of the Audi S8's exhaust system, including sound tuning, power output, and torque enhancements.

Exhaust Tuning
  • Active exhaust valve system for variable sound control
  • Sport mode exhaust setting for enhanced sound output
  • Integrated sound actuator for dynamic sound modulation
  • Optimized exhaust routing for reduced backpressure
  • Engine-specific tuning for maximum power and torque output

Component Specifications

Overview

Type
Dual Exhaust System
Configuration
Rear Dual Exhaust with Twin Oval Tips
Platform
MLB (Modular Longitudinal Matrix)
Material
Stainless Steel
Location
Rear Underbody with Dual Chromed Tips

Dimensions

Exhaust System Length
Approx. 6.56 feet (2.0 meters)
Exhaust Pipes Diameter
2.50 inches (63.5 mm)
Muffler Size
23.62 x 10.24 x 6.69 inches (600 x 260 x 170 mm)
Tailpipe Tip Size
4.33 x 2.76 inches (110 x 70 mm)
inlet Size
2.50 inches (63.5 mm)
Outlet Size
2.50 inches (63.5 mm)
Weight
Approx. 77.16 pounds (35 kg)

Materials

Exhaust Pipes
High-Grade Stainless Steel (1.4301/1.4307)
Mufflers
Stainless Steel with Fiberglass Insulation
Resonators
Stainless Steel
Exhaust Tips
Polished Stainless Steel with Chromed Finish
Gaskets And Seals
High-Temperature Resistant Rubber and Metal

Features

Exhaust System Features
  • Dual Exhaust System with Twin Oval Tips
  • Active Sound Management
  • Variable Exhaust Valve System
  • Integrated Resonators for Sound Optimization
  • Thermal Insulation for Reduced Heat Transfer
Performance Features
  • Optimized Backpressure for Increased Power Output
  • Low-Flow Restriction Design
  • Tuned Muffler Chambers for Enhanced Sound Quality
  • Lightweight Construction for Improved Efficiency
  • Catalytic Converter Integration
Design Features
  • Aerodynamically Designed Tips
  • Integrated Heat Shields
  • Anti-Corrosion Coating
  • Vibration-Dampening Mounts
  • Systematic Welding for Durability

Safety Features

Heat Protection
  • Heat Shields for Underbody Protection
  • Thermal Insulation on Exhaust Components
  • Cooling System Integration
Emission Control
  • Catalytic Converters for Emission Reduction
  • Secondary Air Injection
  • Exhaust Gas Recirculation (EGR) System
Structural integrity
  • Reinforced Mounting Points
  • Flexible Exhaust Joints
  • High-Strength Welds

Comfort Features

Noise Reduction
  • Acoustic Insulation in Mufflers
  • Tuned Resonators for Sound Cancellation
  • Active Noise Control System
Sound Tuning
  • Engine Sound Enhancement
  • Dual-Mode Mufflers
  • Exhaust Note Optimization
Vibration Isolation
  • Vibration-Dampening Mounts
  • Flexible Couplers
  • Isolated Exhaust Components

Accessories

Optional Components
  • Sport Mufflers
  • Performance Exhaust Tips
  • Cat-Back Exhaust System Upgrade
Hardware Accessories
  • Stainless Steel Exhaust Clamps
  • Exhaust System Mounting Kit
  • Heat Shield Kits
Tuning Accessories
  • Exhaust Sound Control Module
  • Active Valve Controller
  • Exhaust System Calibration Software

Maintenance

Service interval
Every 15,000 miles (24,140 km) or 12 months
Service Items
  • Exhaust System Inspection
  • Muffler and Resonator Check
  • Exhaust Pipe and Joint Inspection
  • Heat Shield and Mounts Check
  • Catalytic Converter Efficiency Test
Maintenance Notes
Inspect for leaks, damage, or corrosion. Replace gaskets and seals as needed.

Warranty

New Vehicle Warranty
Miles: 50,000 miles
Years: 4 years
Coverage: Exhaust System Components
Emission Warranty
Miles: 80,000 miles
Years: 8 years
Coverage: Catalytic Converters and Emission Control Devices
Corrosion Warranty
Miles: 12 years
Years: Unlimited miles
Coverage: Perforation of Exhaust Components
Accessories Warranty
Miles: 2 years
Years: Unlimited miles
Coverage: Exhaust System Accessories

Production Details

Manufacturer
Audi AG
Manufacturing Process
  • Robotic Welding
  • Laser Cutting
  • CNC Machining
  • Hydroforming
  • TIG Welding
Quality Control
inspection: Leak Testing and Visual Inspection
Testing: Acoustic and Performance Testing
Certification: ISO 9001:2015 Certified
Sustainability Practices
  • Recyclable Materials
  • Reduced Emission Manufacturing
  • Energy-Efficient Production
Production Metrics
Annual Production: Approx. 10,000 units
Production Time: Approx. 20 hours per system

Service Information for Exhaust System Service

Maintenance and service requirements specific to the exhaust system of the 2019-Present Audi S8

15,000 miles
12 months
  • Inspect exhaust system for leaks or damage
  • Check exhaust mounts and heat shields
  • Verify catalytic converter efficiency
  • Clean exhaust tips
  • Check exhaust system connections

Visual inspection and basic maintenance tasks

30,000 miles
24 months
  • Replace exhaust gaskets and seals
  • Inspect muffler and resonator condition
  • Check exhaust pipe integrity
  • Test exhaust system backpressure
  • Inspect catalytic converter performance

Intermediate service with replacement of wear items

60,000 miles
48 months
  • Replace mufflers and resonators if necessary
  • Inspect and replace exhaust flex pipes
  • Check catalytic converter performance
  • Inspect exhaust system welds
  • Perform acoustic testing

Major inspection and replacement of critical components

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the technical specifications of the exhaust system for the 2019-Present Audi S8?

The 2019-Present Audi S8 features a high-performance exhaust system designed to optimize power delivery and reduce backpressure. The system includes dual exhaust outlets with adaptive valves, allowing for variable sound control. The exhaust is constructed from high-quality stainless steel for durability and corrosion resistance. The system is compatible with the 4.0L twin-turbo V8 engine, producing 563 horsepower and 590 lb-ft of torque. The exhaust system meets all emissions standards and is designed to work seamlessly with the vehicle's advanced engine management system.

Q2

What are the maintenance requirements for the exhaust system?

Regular maintenance is essential to ensure the longevity and performance of the exhaust system. Inspect the exhaust pipes, mufflers, and connections every 12,000 to 15,000 miles for signs of damage, corrosion, or leaks. Clean the exhaust outlets periodically to prevent debris buildup. If you notice any unusual noises, vibrations, or reduced performance, have the system checked by a certified Audi technician. Follow the recommended maintenance schedule outlined in the owner's manual for optimal performance.

Q3

How do I install or replace a part of the exhaust system?

Installation or replacement of the exhaust system should be performed by a qualified technician due to the complexity and specialized tools required. However, if attempting it yourself, ensure the vehicle is on a lift and the exhaust system is cool. Remove the oxygen sensors and heat shields, then disconnect the exhaust pipes from the manifolds. Use a torque wrench to remove the bolts securing the mufflers and resonators. Install the new components in the reverse order, ensuring all connections are tight and properly sealed. Refer to the service manual for specific torque specifications and procedures.

Q4

How do I troubleshoot common issues with the exhaust system?

Common issues with the exhaust system include leaks, rattling noises, or reduced performance. To troubleshoot, inspect the exhaust system for visible damage or corrosion. Check the exhaust mounts and hangers for wear or damage. If a leak is suspected, use a smoke test to identify the source. For rattling noises, inspect the heat shields and mufflers for loose or damaged components. If performance is reduced, check for blockages or kinked pipes. Use an OBD-II scanner to check for any error codes related to the exhaust system. Address any issues promptly to prevent further damage.

Q5

How can I optimize the performance of the exhaust system?

To optimize the performance of the exhaust system, consider upgrading to a high-performance aftermarket exhaust system. These systems often feature larger diameter pipes, free-flowing mufflers, and catalytic converters designed to reduce backpressure and increase power output. Ensure the system is designed specifically for the 2019-Present Audi S8 to maintain compatibility and performance. Regular tuning and engine management updates can also enhance the system's performance. Always follow proper installation and tuning procedures to avoid damaging the engine or exhaust components.

Factory Service Resources

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

Audi S8 Exhaust System Service Manual

Coming Soon

Comprehensive guide covering inspection, maintenance, and repair procedures for the exhaust system.

Technical Bulletin: Exhaust System Updates

Coming Soon

Latest updates and technical bulletins regarding the exhaust system for the 2019-Present Audi S8.

Audi S8 Parts and Accessories Catalog

Coming Soon

Detailed catalog of genuine and aftermarket parts for the exhaust system.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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