Audi Audi RS4 2012-2015 Exhaust Specifications
Detailed technical specifications and documentation for the 2012-2015 Audi RS4 exhaust system. Includes component details, torque specifications, and installation guidelines for the high-performance exhaust system.
Overview Specifications
Comprehensive description of the exhaust specifications for the 2012-2015 Audi RS4, including key features, measurements, and technical details. This section provides detailed information on the exhaust system's design, components, and performance specifications.
How to Use
Use the search function to locate specific exhaust specifications by entering keywords such as 'catalytic converter,' 'muffler,' or 'exhaust 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
70 mm (primary), 65 mm (secondary)
Catalytic Converter Length
300 mm
Sound Level at Full Throttle
95 dB
Maximum Backpressure
0.8 bar
Exhaust Valve Control
Electronically adjustable
Available Specifications
Exhaust System Overview
This section provides an overview of the Audi RS4's exhaust system, including its design, materials, and key components.
Exhaust System Overview
This section provides an overview of the Audi RS4's exhaust system, including its design, materials, and key components.
Exhaust System Design
- Dual exhaust system with quad tailpipes
- Stainless steel construction for durability and corrosion resistance
- Optimized for high-performance output and sound tuning
- Integrated with the vehicle's rear diffuser for aerodynamic efficiency
Key Components
- Two catalytic converters for emissions control
- Resonators and mufflers for sound attenuation
- Exhaust valves for adjustable sound profiles
- Heat shields for thermal management
Note: The exhaust valves are electronically controlled and adjust based on driving mode.
Exhaust Dimensions and Measurements
This section details the physical dimensions and measurements of the exhaust system components.
Exhaust Dimensions and Measurements
This section details the physical dimensions and measurements of the exhaust system components.
Exhaust Pipe Diameter
- Primary exhaust pipes: 70 mm diameter
- Secondary exhaust pipes: 65 mm diameter
- Tailpipe diameter: 90 mm (each)
- Wall thickness: 1.5 mm
Catalytic Converter Specifications
- Diameter: 120 mm
- Length: 300 mm
- Cell density: 400 cells per square inch
- Material: Ceramic substrate with platinum coating
Note: The catalytic converters are designed to meet Euro 5 emissions standards.
Performance and Sound Specifications
This section covers the performance characteristics and sound profile of the exhaust system.
Performance and Sound Specifications
This section covers the performance characteristics and sound profile of the exhaust system.
Exhaust Backpressure
- Maximum backpressure: 0.8 bar
- Optimized for minimal flow restriction
- Designed to enhance engine performance
- Backpressure measured at 6000 RPM
Sound Profile
- Sound level at idle: 65 dB
- Sound level at full throttle: 95 dB
- Adjustable sound modes: Comfort, Dynamic, and Individual
- Resonance frequency: 120 Hz
Note: The sound profile can be customized via the Audi Drive Select system.
Maintenance and Service
This section provides guidelines for maintaining and servicing the exhaust system.
Maintenance and Service
This section provides guidelines for maintaining and servicing the exhaust system.
Inspection Intervals
- Inspect exhaust system every 15,000 km or 12 months
- Check for leaks, corrosion, and damage
- Verify mounting brackets and hangers
- Inspect catalytic converter efficiency
Replacement Parts
- OEM catalytic converter part number: 8K0254100
- OEM muffler part number: 8K0253600
- Exhaust gasket part number: 8K0253115
- Recommended torque for exhaust bolts: 25 Nm
Note: Use only Audi-approved replacement parts to ensure compatibility and performance.
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Component Specifications
General Specifications
- System Type
- Dual exhaust with quad tailpipes
- Material
- Stainless steel
- Configuration
- Rear-mounted mufflers with dual resonators
- Emission Compliance
- Euro 5
- Part Number
- 8T0253600A
Exhaust Manifold
- Material
- Cast iron
- Heat Shield
- Integrated heat shield
- Bolt Torque
- 25 Nm
- Part Number
- 079129717B
Catalytic Converters
- Type
- Dual catalytic converters
- Material
- Ceramic substrate with platinum-rhodium coating
- Efficiency
- >95%
- Operating Temperature
- 400-800°C
- Part Number
- 8T0254105A
Resonators
- Type
- Dual resonators
- Material
- Stainless steel
- Diameter
- 70 mm
- Length
- 400 mm
- Part Number
- 8T0252605B
Mufflers
- Type
- Dual rear mufflers
- Material
- Stainless steel
- Diameter
- 90 mm
- Length
- 600 mm
- Part Number
- 8T0252609C
Tailpipes
- Type
- Quad tailpipes
- Material
- Polished stainless steel
- Diameter
- 80 mm
- Length
- 200 mm
- Part Number
- 8T0252611D
Exhaust Flanges
- Material
- Stainless steel
- Bolt Torque
- 30 Nm
- Gasket Material
- Graphite
- Part Number
- 8T0252675E
Exhaust Hangers
- Material
- Rubber with steel reinforcement
- Quantity
- 4
- Load Capacity
- 15 kg each
- Part Number
- 8T0252678F
Operational Parameters
- Backpressure
- Max 0.5 bar at 6000 rpm
- Temperature Range
- Up to 900°C under load
- Noise Level
- 74 dB at idle, 92 dB at full throttle
Maintenance Specifications
- inspection Interval
- Every 30,000 miles or 24 months
- Cleaning Requirements
- Use mild detergent and soft brush
- Torque Check interval
- Every 60,000 miles or 48 months
- Gasket Replacement interval
- Every 100,000 miles or 84 months
Diagnostic Specifications
- Backpressure Test
- Max 0.5 bar at 6000 rpm
- Leak Test
- Use soap solution to check for leaks
- Emission Test
- CO2 levels should be <0.3% at idle
- Sensor Check
- O2 sensor voltage should be 0.1-0.9V
Service Information Service
Detailed service requirements and schedules for the exhaust system
- Inspect exhaust system for leaks
- Check hangers and mounts
- Inspect catalytic converters
Ensure all bolts are torqued to specification
- Check and clean tailpipes
- Inspect and replace gaskets if necessary
- Perform backpressure test
Use OEM parts for replacements
- Replace catalytic converters if necessary
- Inspect and replace resonators and mufflers
- Perform full emission test
Ensure compliance with local emission standards
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust system configuration on the 2012-2015 Audi RS4?
What is the exhaust system configuration on the 2012-2015 Audi RS4?
The 2012-2015 Audi RS4 features a dual exhaust system with two oval tailpipes on each side, totaling four tailpipes. The system includes a high-performance stainless steel construction with a cross-pipe design for improved exhaust gas flow and sound tuning. The exhaust diameter is 70mm, and it is designed to optimize backpressure for the 4.2L V8 FSI engine.
Q2 What is the material used in the Audi RS4 exhaust system?
What is the material used in the Audi RS4 exhaust system?
The exhaust system is constructed from high-quality stainless steel, which provides excellent resistance to corrosion and heat. The mufflers and tailpipes are also made from stainless steel, ensuring durability and maintaining the system's performance under high-temperature conditions.
Q3 Does the Audi RS4 exhaust system include a valved exhaust option?
Does the Audi RS4 exhaust system include a valved exhaust option?
Yes, the 2012-2015 Audi RS4 is equipped with an optional valved exhaust system. This system allows the driver to control the exhaust sound and backpressure via the Audi Drive Select system. In Dynamic mode, the valves open for a more aggressive exhaust note and improved performance, while in Comfort mode, the valves close to reduce noise levels.
Q4 What is the recommended maintenance schedule for the Audi RS4 exhaust system?
What is the recommended maintenance schedule for the Audi RS4 exhaust system?
Audi recommends inspecting the exhaust system every 15,000 miles or annually, whichever comes first. Key checks include inspecting for leaks, corrosion, and loose or damaged components. Additionally, the exhaust mounts and hangers should be checked for wear. Any signs of damage or excessive corrosion should be addressed immediately to prevent further issues.
Q5 Can aftermarket exhaust systems affect the Audi RS4's warranty?
Can aftermarket exhaust systems affect the Audi RS4's warranty?
Installing an aftermarket exhaust system may void the warranty on the exhaust components and potentially other related systems if the modification is deemed to cause damage. Audi recommends using genuine parts or approved aftermarket systems that meet Audi's specifications to avoid warranty implications.
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 RS4 Exhaust System Technical Overview
Coming SoonDetailed technical specifications and diagrams of the Audi RS4 exhaust system, including material composition, dimensions, and performance characteristics.
Audi Drive Select and Exhaust Valve Operation
Coming SoonExplains how the Audi Drive Select system interacts with the valved exhaust system, including mode-specific behaviors and performance impacts.
Audi RS4 Exhaust Maintenance Guide
Coming SoonStep-by-step guide for inspecting and maintaining the Audi RS4 exhaust system, including common issues and troubleshooting tips.
Genuine Audi Exhaust Parts Catalog
Coming SoonCatalog of genuine Audi exhaust components for the RS4, including part numbers, pricing, and compatibility information.
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