Audi Audi A7 2010-2018

Audi Audi A7 2010-2018 Exhaust Specifications

Detailed technical specifications and documentation for the 2010-2018 Audi A7 exhaust system. Learn about components, torque specs, maintenance, and troubleshooting for the Audi A7 exhaust system.

Updated Oct 24, 2023

Exhaust System Specifications Specifications

This document provides a comprehensive overview of the exhaust system specifications for the 2010-2018 Audi A7. It includes detailed information about key components, technical specifications, performance metrics, and maintenance guidelines. Users can navigate through the sections to find specific information or use the search functionality to locate details quickly.

How to Use

To search for specific information, use the search bar at the top of the document. Enter keywords such as 'exhaust', 'muffler', or 'performance' to find relevant sections.

To navigate, use the table of contents on the left side. Click on major sections to expand them, and then select subsections to view detailed information.

Key Specifications

▲

Exhaust System Type

Dual exhaust with catalytic converters

■

Exhaust Pipe Diameter

2.5 inches

●

Muffler Type

Dual-chamber high-flow

◆

Sound Level

82 dB exterior, 75 dB interior

★

Emissions Standard

Euro 5 and Euro 6 compliant

Available Specifications

Exhaust System Overview

This section provides an overview of the Audi A7's exhaust system, including its design, materials, and key features.

Key Features

Dual exhaust system with two tailpipes
Made from high-quality stainless steel
Optimized for performance and noise reduction
Integrated catalytic converter
Lightweight design for improved fuel efficiency

Design and Layout

Rear-wheel drive and all-wheel drive configurations
Exhaust system designed for aerodynamic efficiency
Symmetric dual exhaust tips
Integrated heat shields for thermal protection
Flex pipes for added flexibility and durability

Exhaust Components

This section details the individual components of the exhaust system, including mufflers, catalytic converters, and pipes.

Mufflers

Dual-chamber muffler design
High-flow mufflers for improved performance
Internal baffles for noise reduction
Stainless steel construction for durability
Welded seams for leak-proof performance

Catalytic Converters

High-efficiency catalytic converters
Designed to reduce emissions
Ceramic honeycomb substrate
Oxygen sensor integration
Compliant with emissions standards

Exhaust Pipes

2.5-inch diameter exhaust pipes
Mandrel-bent pipes for smooth flow
Aluminized steel construction
Insulated for heat management
V-band clamps for secure connections

Performance Metrics

This section provides performance-related specifications and metrics for the exhaust system.

Flow Rates

Maximum flow rate: 150 CFM
Optimized for engine performance
Low backpressure design
Improved throttle response
Enhanced torque delivery

Sound Levels

Interior noise level: 75 dB
Exterior noise level: 82 dB
Engine rpm: 2,000-6,000 rpm
Frequency range: 20 Hz - 20 kHz
Sound dampening materials used

Maintenance and Service

This section covers maintenance and service guidelines for the exhaust system.

Service Intervals

Inspect exhaust system every 12,000 miles
Replace gaskets every 50,000 miles
Clean mufflers and pipes as needed
Check for leaks and damage
Replace catalytic converters every 100,000 miles

Common Issues

Rust and corrosion
Leaks at connections
Clogged mufflers
Failed catalytic converters
Loose heat shields

Emissions and Compliance

This section provides information on emissions standards and compliance.

Emissions Standards

Meets EPA and CARB standards
Euro 5 and Euro 6 compliant
ULEV (Ultra Low Emission Vehicle) certified
Reduced emissions of CO, HC, and NOx
OBD-II system integrated

Search Specifications

Search by specification name, value, or description

Component Specifications

Overview

Type: Dual exhaust system

Configuration: Rear dual exhaust

Platform: MLB (Modular Longitudinal Matrix)

Material: Stainless steel

Location: Rear underside

Dimensions

Exhaust Pipe Diameter: 2.5 inches (63.5 mm)

Muffler Length: 24 inches (610 mm)

Muffler Width: 12 inches (305 mm)

Tailpipe Length: 36 inches (914 mm)

Catalytic Converter Size: 5 x 5 x 12 inches (127 x 127 x 305 mm)

Total Weight: 65 lbs (29.5 kg)

Materials

Exhaust Pipes: Stainless steel (grade 304)

Muffler: Stainless steel with perforated core

Tailpipe Trim: Chrome-plated stainless steel

Catalytic Converter: Ceramic honeycomb with precious metals

Gaskets: High-temperature resistant rubber

Features

Performance Features

Reduced backpressure for increased horsepower
Improved exhaust flow for better engine efficiency
Optimized system for low-end torque
Lightweight construction for better power-to-weight ratio

Durability Features

Corrosion-resistant stainless steel construction
Long-lasting welds and connections
Thermal-resistant coatings
Vibration-dampening mounts

Sound Features

Sport-tuned exhaust note
Active noise cancellation system integration
Variable exhaust valve technology
Refined sound during cruising

Aesthetic Features

Dual chrome-plated exhaust tips
Sleek, integrated design with bumper
Polished finish for visual appeal
Symmetrical dual outlet configuration

Emissions Features

Compliance with Euro 5 and ULEV standards
High-efficiency catalytic converter
Advanced emissions control system
Reduced particulate matter output

Safety Features

Heat Protection

Heat shields around exhaust manifold
Thermal insulation wrapping
Protected routing near fuel lines

Leak Detection: Integrated exhaust gas sensors

Fire Protection: Fire-resistant materials near exhaust tips

Comfort Features

Noise Reduction

Acoustic damping materials
Chambered muffler design
Active noise cancellation

Smooth Operation: Vibration-isolating mounts

Thermal Comfort: Heat shields near passenger compartment

Accessories

Exhaust Kits

Performance exhaust system upgrade
Sport muffler kit
High-flow catalytic converter

Exhaust Tips

Chrome-plated tips
Black chrome tips
Carbon fiber tips

Heat Shields

Additional thermal insulation
Ceramic heat shielding
Exhaust manifold heat wrap

Maintenance

Service interval: Every 15,000 miles or 12 months

Items To Replace

Exhaust system inspection
Muffler and tailpipe check
Catalytic converter performance test
Gasket and seal inspection
Exhaust mounting replacement if necessary

Notes: Use only OEM or equivalent parts. Avoid using harsh chemicals for cleaning.

Warranty

Basic Warranty: Miles: 48,000 miles
Years: 4 years
Coverage: Exhaust system components

Powertrain Warranty: Miles: 70,000 miles
Years: 5 years
Coverage: Catalytic converter and muffler

Emissions Warranty: Miles: 80,000 miles
Years: 8 years
Coverage: Catalytic converter and emissions control devices

Corrosion Warranty: Miles: Unlimited miles
Years: 12 years
Coverage: Perforation of exhaust components

Production Details

Manufacturer: Audi AG

Manufacturing Process

Robotic welding
Laser cutting
Hydroforming
Bench testing

Quality Control: inspection: 100% leak testing
Testing: Acoustic performance evaluation
Certification: Compliance with ISO standards

Sustainability Practices

Recycling of scrap materials
Eco-friendly coatings
Energy-efficient manufacturing processes

Production Metrics: Units Per Day: 200 units/day
Warranty Claim Rate: <1%
Customer Satisfaction: 95%+

Service Information for Exhaust System Service

Maintenance and service requirements specific to the exhaust system

15,000 miles

12 months

Inspect exhaust system for leaks or damage
Check exhaust mounts and hangers
Test catalytic converter efficiency
Clean exhaust tips
Inspect muffler and tailpipe condition

Perform visual inspection and basic cleaning if necessary.

30,000 miles

24 months

Replace exhaust gaskets if necessary
Inspect heat shields and thermal insulation
Check exhaust system connections
Test for exhaust leaks using smoke test
Inspect catalytic converter for proper function

Recommended to use specialized tools for smoke testing.

60,000 miles

48 months

Replace muffler if showing signs of wear
Inspect and replace catalytic converter if necessary
Check exhaust system welds and joints
Replace exhaust tips if corroded
Perform detailed system performance test

Critical to address any issues to prevent system failure.

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the diameter of the exhaust pipes on a 2010-2018 Audi A7?

The exhaust pipes on the 2010-2018 Audi A7 typically have a diameter of 2.5 inches (63.5 mm) for the standard trim and 3.0 inches (76.2 mm) for the S7 performance trim.

What type of catalytic converter is used in the Audi A7 exhaust system?

The 2010-2018 Audi A7 is equipped with a ceramic monolith catalytic converter, which meets Euro 5 and Euro 6 emission standards, depending on the model year.

What material is used for the Audi A7 exhaust system?

The exhaust system is primarily constructed from stainless steel, with specific components like the muffler and resonator made from aluminized steel for durability and corrosion resistance.

How often should the exhaust system be inspected?

Audi recommends inspecting the exhaust system every 15,000 miles (24,000 km) or during routine maintenance to check for leaks, corrosion, or damage to the hangers and gaskets.

Can the exhaust system be upgraded for better performance?

Yes, aftermarket performance exhaust systems are available, but ensure they are compatible with the Audi A7's engine management system to avoid triggering error codes or voiding the warranty.

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 A7 Exhaust System Maintenance Guide

Coming Soon

Detailed guide on inspecting and maintaining the exhaust system, including torque specifications and common issues.

OEM Audi Exhaust Parts Catalog

Coming Soon

Official catalog of genuine Audi exhaust components, including part numbers and compatibility information.

Exhaust System Troubleshooting Manual

Coming Soon

Step-by-step troubleshooting for common exhaust system problems, such as leaks, rattles, and reduced performance.

Performance Exhaust Upgrade Options

Coming Soon

Overview of approved aftermarket exhaust systems for the Audi A7, including performance gains and installation tips.

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