Audi Audi S3 2013-present

Audi Audi S3 2013-present Exhaust Specifications

Detailed technical specifications for the 2013-Present Audi S3 exhaust system, including component details, materials, and performance metrics. Essential for maintenance, repair, and performance tuning.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the exhaust specifications for the 2013-Present Audi S3, including key features, measurements, and technical details. This section provides detailed insights into the exhaust system's design, components, and performance characteristics.

How to Use

Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter,' 'muffler,' or 'exhaust pipe diameter.'

Navigate through the exhaust documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Exhaust Pipe Diameter

2.5 inches

Catalytic Converter Temp Range

400°C to 800°C

Exhaust Flow Rate

450 CFM

Backpressure at 6000 RPM

1.2 psi

Sound Level (Sport Mode)

92 dB at full throttle

Available Specifications

Exhaust System Overview

This section provides an overview of the Audi S3 exhaust system, including its layout, materials, and key components.

System Layout

Dual exhaust system with quad tailpipes
Stainless steel construction for durability
Integrated catalytic converters for emissions control
Valved exhaust system for adjustable sound profiles

Materials and Construction

High-grade stainless steel for corrosion resistance
TIG-welded joints for superior durability
Lightweight design to reduce overall vehicle weight
Heat-resistant coatings for thermal management

Note: The exhaust system is designed to withstand high temperatures and harsh environmental conditions.

Exhaust Components

Detailed breakdown of the major components of the Audi S3 exhaust system, including specifications and functions.

Catalytic Converters

Dual catalytic converters for efficient emissions reduction
Ceramic honeycomb substrate with precious metal coating
Operating temperature range: 400°C to 800°C
OBD-II compliant for emissions monitoring

Muffler and Resonators

Twin mufflers for noise reduction and sound tuning
Integrated resonators to eliminate drone
Valve-controlled exhaust tips for sound modulation
Internal baffle design for optimal airflow

Note: The valved exhaust system allows drivers to switch between quiet and sporty exhaust notes.

Performance Specifications

Technical specifications related to the exhaust system's performance, including flow rates, backpressure, and sound levels.

Flow and Backpressure

Exhaust flow rate: 450 CFM (cubic feet per minute)
Backpressure: 1.2 psi at 6000 RPM
Optimized pipe diameter: 2.5 inches
Designed for minimal flow restriction

Sound Levels

Quiet mode: 72 dB at idle, 85 dB at full throttle
Sport mode: 78 dB at idle, 92 dB at full throttle
Sound tuning via valve control
Complies with EU noise regulations

Note: Sound levels are measured at a distance of 1 meter from the exhaust tips.

Maintenance and Service

Guidelines for maintaining and servicing the Audi S3 exhaust system, including inspection intervals and replacement parts.

Inspection Intervals

Inspect exhaust system every 15,000 miles
Check for leaks, corrosion, and damage
Verify valve operation and sound profiles
Monitor catalytic converter efficiency

Replacement Parts

OEM catalytic converter part number: 8V0254100
Muffler assembly part number: 8V0253800
Exhaust valve actuator part number: 8V0254600
Gasket and seal kit part number: 8V0254700

Note: Use only genuine Audi parts to ensure proper fit and performance.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

System Type: Dual exhaust with integrated mufflers

Material: Stainless steel

Configuration: Twin-pipe, rear-mounted

Emission Compliance: Euro 6 / Tier 3

Part Number: 8V0253600A

Exhaust Manifold

Material: Cast iron with heat-resistant coating

Bolt Torque: 25 Nm ± 2 Nm

Gasket Part Number: 06E253039A

Heat Shield Material: Aluminized steel

Connection Type: Flanged with gasket

Catalytic Converter

Type: Three-way catalytic converter

Material: Ceramic substrate with platinum-rhodium coating

Part Number: 8V0254100B

Operating Temperature: 400°C - 800°C

Efficiency: > 95%

Replacement interval: 120,000 miles or 10 years

Resonator

Type: Helmholtz resonator

Material: Stainless steel

Part Number: 8V0253605C

Diameter: 80 mm

Length: 300 mm

Function: Reduces drone and exhaust noise

Muffler

Type: Dual-chamber perforated tube

Material: Stainless steel

Part Number: 8V0253606D

Diameter: 90 mm

Length: 500 mm

Sound Level: 72 dB at 3000 RPM

Exhaust Pipes

Material: Stainless steel

Diameter: 65 mm

Wall Thickness: 1.5 mm

Flex Pipe Part Number: 8V0253607E

Clamp Type: V-band clamp

Clamp Torque: 15 Nm ± 1 Nm

Oxygen Sensors

Type: Wideband lambda sensor

Part Number: 06E906262A

Location: Pre-catalytic and post-catalytic

Operating Temperature: -40°C to 900°C

Replacement interval: 100,000 miles

Diagnostic Code: P0130 - P0167

Exhaust Tips

Material: Polished stainless steel

Diameter: 100 mm

Length: 150 mm

Part Number: 8V0253608F

Finish: Chrome-plated

Attachment Type: Clamp-on

Heat Shields

Material: Aluminized steel

Thickness: 1.2 mm

Part Number: 8V0253610G

Mounting Type: Bolted with heat-resistant fasteners

Thermal Rating: Up to 900°C

Exhaust Mounts

Type: Rubber isolators with steel brackets

Part Number: 8V0253611H

Quantity: 4

Durometer: 70 Shore A

Replacement interval: Inspect every 30,000 miles

Exhaust System Service Information Service

Detailed service requirements and schedules for the exhaust system

30,000

Inspect exhaust mounts for wear
Check for exhaust leaks
Inspect heat shields for damage

Replace worn mounts or damaged components immediately

60,000

Inspect catalytic converter efficiency
Check oxygen sensor operation
Inspect resonator and muffler for corrosion

Use diagnostic tools to verify sensor and converter performance

100,000

Replace oxygen sensors
Inspect and clean exhaust tips
Check exhaust pipe alignment

Follow manufacturer torque specifications for all fasteners

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the diameter of the Audi S3 exhaust system?

The Audi S3 exhaust system features a dual-pipe design with a diameter of 65mm (2.56 inches) for each pipe, optimized for performance and sound.

Does the Audi S3 exhaust system include a valved exhaust option?

Yes, the Audi S3 is equipped with a valved exhaust system as part of the optional Sport Exhaust package. This system allows drivers to adjust the exhaust note between a quieter mode for comfort and a more aggressive sound for performance driving.

What material is used in the Audi S3 exhaust system?

The Audi S3 exhaust system is constructed from high-grade stainless steel, providing durability, corrosion resistance, and optimal heat dissipation.

What is the backpressure specification for the Audi S3 exhaust?

The backpressure in the Audi S3 exhaust system is engineered to maintain a balance between performance and emissions compliance, typically ranging between 0.5 and 1.0 psi under normal operating conditions.

Can the Audi S3 exhaust system be upgraded for better performance?

Yes, aftermarket exhaust systems are available for the Audi S3, offering improved flow, reduced weight, and enhanced sound. However, modifications may void the vehicle's warranty and should be installed by a certified professional.

What is the recommended maintenance schedule for the Audi S3 exhaust system?

Audi recommends inspecting the exhaust system every 15,000 miles or annually, whichever comes first. This includes checking for leaks, corrosion, and ensuring all mounting points are secure.

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 S3 Exhaust System Technical Guide

Coming Soon

Detailed technical specifications and diagrams for the Audi S3 exhaust system, including part numbers and installation instructions.

Sport Exhaust Package Overview

Coming Soon

Learn about the optional Sport Exhaust package for the Audi S3, including its features, benefits, and compatibility.

Audi Genuine Parts Catalog

Coming Soon

Access the official Audi Genuine Parts catalog to find OEM exhaust components for the Audi S3.

Exhaust System Maintenance Tips

Coming Soon

A guide to maintaining your Audi S3 exhaust system, including inspection procedures and common issues to watch for.

About the Author

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