Subaru Subaru Legacy 2005-2009 Exhaust Specifications
Explore the detailed exhaust system specifications for the 2005-2009 Subaru Legacy. This guide covers key components, dimensions, materials, and compatibility, providing essential insights for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system for the 2005-2009 Subaru Legacy. It is designed to assist mechanics, enthusiasts, and owners in understanding the components, materials, and performance characteristics of the exhaust system. Use the search and navigation instructions to quickly find relevant information or explore sections for in-depth details.
How to Use
Use the search bar to enter keywords like 'muffler,' 'catalytic converter,' or 'pipe diameter' to locate specific details. Results will highlight relevant sections and subsections.
Scroll through the document or use the table of contents to jump to major sections. Each section is divided into subsections with detailed technical points for easy reference.
Key Specifications
Muffler Diameter
2.25 inches
Catalytic Converter Efficiency
95%
Exhaust Pipe Material
Aluminized steel
Flow Rate
250 CFM
Idle Noise Level
65 dB
Available Specifications
Exhaust System Components
This section covers the primary components of the exhaust system, including the muffler, catalytic converter, and exhaust pipes. Learn about their materials, dimensions, and roles in the overall system.
Exhaust System Components
This section covers the primary components of the exhaust system, including the muffler, catalytic converter, and exhaust pipes. Learn about their materials, dimensions, and roles in the overall system.
Muffler Specifications
- Material: Stainless steel
- Diameter: 2.25 inches
- Weight: 12.5 lbs
- Design: Chambered for noise reduction
- Optional point 5: Heat-resistant coating
- Optional point 6: Compatible with aftermarket upgrades
Catalytic Converter Details
- Material: Ceramic substrate with stainless steel housing
- Diameter: 2.5 inches
- Efficiency: 95% reduction in harmful emissions
- OBD-II compliant
- Optional point 5: Heat shield included
- Optional point 6: Replaceable core
Exhaust Pipes
- Material: Aluminized steel
- Diameter: 2.25 inches (main pipe)
- Bends: Mandrel-bent for optimal flow
- Corrosion resistance: High
- Optional point 5: Flexible joints for vibration reduction
- Optional point 6: Compatible with turbo models
Performance Characteristics
Explore the performance aspects of the exhaust system, including flow rates, backpressure, and noise levels. This section is ideal for those looking to optimize their vehicle's exhaust performance.
Performance Characteristics
Explore the performance aspects of the exhaust system, including flow rates, backpressure, and noise levels. This section is ideal for those looking to optimize their vehicle's exhaust performance.
Flow Rate and Backpressure
- Flow rate: 250 CFM at 6000 RPM
- Backpressure: 1.5 psi at full load
- Optimized for 2.5L and 3.0L engines
- Balanced for torque and horsepower
- Optional point 5: Tested with dyno results
- Optional point 6: Minimal restriction design
Noise Levels
- Idle noise: 65 dB
- Cruising noise: 72 dB
- Full throttle noise: 85 dB
- Complies with local noise regulations
- Optional point 5: Resonator included for noise control
- Optional point 6: Aftermarket options for louder sound
Maintenance and Upgrades
This section provides guidance on maintaining the exhaust system and upgrading it for better performance or durability. Learn about common issues, replacement intervals, and aftermarket options.
Maintenance and Upgrades
This section provides guidance on maintaining the exhaust system and upgrading it for better performance or durability. Learn about common issues, replacement intervals, and aftermarket options.
Maintenance Tips
- Inspect for rust every 12 months
- Check for leaks at joints and welds
- Replace gaskets every 50,000 miles
- Clean heat shields regularly
- Optional point 5: Use high-temperature paint for touch-ups
- Optional point 6: Monitor O2 sensor performance
Upgrade Options
- High-flow catalytic converters
- Performance mufflers
- Stainless steel exhaust kits
- Turbo-back exhaust systems
- Optional point 5: Custom tuning for exhaust upgrades
- Optional point 6: Lightweight titanium options
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Single catalytic converter
- Platform
- Subaru Legacy 2005-2009
- Material
- Stainless steel
- Location
- Underbody
Dimensions
- Total Length
- 78 inches (198 cm)
- Pipe Diameter
- 2.25 inches (5.7 cm)
- Muffler Length
- 24 inches (61 cm)
- Muffler Width
- 10 inches (25 cm)
- Muffler Height
- 8 inches (20 cm)
- Tailpipe Diameter
- 3 inches (7.6 cm)
- Ground Clearance
- 5.5 inches (14 cm)
Materials
- Pipes
- Stainless steel
- Muffler
- Stainless steel with aluminized coating
- Catalytic Converter
- Ceramic substrate with stainless steel housing
- Gaskets
- Graphite and steel composite
- Hangers
- Rubber and steel
Features
- Performance
-
- Optimized backpressure for engine efficiency
- Reduced exhaust gas temperature
- Enhanced exhaust gas flow
- Minimized resonance
- Durability
-
- Corrosion-resistant materials
- High-temperature tolerance
- Impact-resistant design
- Longevity in harsh conditions
- Noise Reduction
-
- Advanced muffler design
- Sound dampening materials
- Reduced cabin noise
- Compliance with noise regulations
- installation
-
- Direct bolt-on fitment
- Precision-engineered hangers
- Comprehensive gasket kit
- Clear installation instructions
- Environmental
-
- Low emissions design
- Efficient catalytic converter
- Recyclable materials
- Compliance with emissions standards
Safety Features
- Heat Management
-
- Heat shields included
- Thermal insulation
- Safe distance from fuel lines
- Structural integrity
-
- Reinforced hangers
- Rust-resistant materials
- Impact-resistant design
- Emissions Control
-
- Efficient catalytic converter
- Oxygen sensor compatibility
- Compliance with EPA standards
Comfort Features
- Noise Level
- Reduced cabin noise
- Vibration
- Minimized vibration
- Heat
- Effective heat dissipation
- Aesthetics
- Polished stainless steel finish
- Fit
- Precision fit for easy installation
Accessories
- installation
-
- Exhaust gasket set
- Hanger kit
- Clamps and bolts
- Performance
-
- High-flow catalytic converter
- Performance muffler
- Exhaust tip
- Maintenance
-
- Exhaust sealant
- Rust inhibitor spray
- Cleaning kit
Maintenance
- Service interval
- Every 50,000 miles (80,000 km)
- Service Items
-
- Inspect for corrosion
- Check hangers and mounts
- Inspect gaskets and seals
- Check for exhaust leaks
- Clean exterior surfaces
- Maintenance Notes
- Regular inspection and cleaning recommended to prevent rust and ensure optimal performance.
Warranty
- Parts
- Years: 5Miles: 60000Coverage: Manufacturing defects
- Corrosion
- Years: 10Miles: 120000Coverage: Rust-through
- Performance
- Years: 3Miles: 36000Coverage: Flow and backpressure
- installation
- Years: 1Miles: 12000Coverage: Installation defects
- Warranty Terms
- Warranty void if modified or used in non-standard applications.
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision welding
- Laser cutting
- Robotic assembly
- Quality control testing
- Quality Control
- inspection: 100% visual and structural inspectionTesting: Pressure and flow testingCertification: Compliance with ISO 9001 standards
- Sustainability Practices
-
- Use of recycled materials
- Energy-efficient manufacturing
- Reduction of waste
- Compliance with environmental regulations
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: Less than 0.1%Lead Time: 2 weeks
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Inspect for exhaust leaks
- Check hangers and mounts
- Inspect gaskets and seals
- Clean exterior surfaces
- Verify catalytic converter function
Regular inspection helps prevent major issues.
- Inspect for corrosion
- Check heat shields
- Test oxygen sensor function
- Inspect muffler for damage
- Verify exhaust system alignment
Use specialized tools for precise inspection.
- Replace gaskets and seals
- Inspect and replace hangers if needed
- Check catalytic converter efficiency
- Perform complete exhaust system test
- Replace worn components
Major service interval requires thorough inspection and replacement of worn parts.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 2005-2009 Subaru Legacy models?
Is this exhaust system compatible with all 2005-2009 Subaru Legacy models?
This exhaust system is designed to fit all 2005-2009 Subaru Legacy models, including 2.5i, 2.5 GT, and 3.0R variants. It is compatible with both manual and automatic transmissions. However, ensure you verify your vehicle's specific trim and engine type before purchase, as slight variations in mounting points or exhaust routing may exist for certain configurations.
Q2 What maintenance is required for the exhaust system?
What maintenance is required for the exhaust system?
Regular maintenance includes inspecting the exhaust system for rust, cracks, or loose components every 12 months or 12,000 miles. Clean the exhaust tips to prevent buildup and check gaskets and hangers for wear. Replace worn-out parts promptly to avoid leaks or performance issues. Avoid driving through deep water to prevent damage to the catalytic converter and muffler.
Q3 How do I install or replace the exhaust system on my 2005-2009 Subaru Legacy?
How do I install or replace the exhaust system on my 2005-2009 Subaru Legacy?
To install or replace the exhaust system, first, lift the vehicle securely using a jack and stands. Remove the old exhaust by detaching the hangers and unbolting the connections at the catalytic converter and mid-pipe. Install the new system by aligning it properly, securing the hangers, and tightening all bolts to the manufacturer's torque specifications. Ensure there are no leaks by running the engine and inspecting connections.
Q4 What should I do if my exhaust system is making unusual noises?
What should I do if my exhaust system is making unusual noises?
Unusual noises, such as rattling or hissing, often indicate loose components, leaks, or damaged parts. Inspect the exhaust hangers, gaskets, and connections for wear or misalignment. Tighten loose bolts and replace damaged gaskets. If the issue persists, check for cracks or holes in the exhaust pipes or muffler. Professional inspection may be necessary for complex issues.
Q5 How can I optimize the performance of my exhaust system?
How can I optimize the performance of my exhaust system?
To optimize performance, consider upgrading to a high-flow catalytic converter or performance muffler for better airflow. Ensure all connections are tight and free of leaks. Regularly clean the exhaust tips and inspect for blockages. Pair the exhaust system with a tuned ECU for improved engine response and power output. Avoid excessive modifications that may void warranties or violate emissions regulations.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2009 Subaru Legacy Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2005-2009 Subaru Legacy.
Technical Service Bulletin: Exhaust System Updates
Coming SoonDetails updates and fixes for common exhaust system issues in 2005-2009 Subaru Legacy models.
Subaru Legacy Exhaust Parts Catalog
Coming SoonCatalog listing OEM and aftermarket exhaust components for the 2005-2009 Subaru Legacy.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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