Subaru Subaru Legacy 2015-2019 Exhaust Specifications
Explore detailed exhaust system specifications for the 2015-2019 Subaru Legacy, including components like the catalytic converter, muffler, and tailpipe. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system of the 2015-2019 Subaru Legacy. It is designed to assist users in understanding the components, performance, and maintenance requirements of the exhaust system. Use the search and navigation instructions to quickly find relevant information. The document is divided into sections covering exhaust components, performance, and maintenance tips.
How to Use
Use the search bar to enter keywords related to the exhaust system, such as 'muffler' or 'catalytic converter'. The search results will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is divided into subsections, which can be expanded to view detailed technical points. Use the quick reference section for key specifications.
Key Specifications
Exhaust Diameter
2.5 inches
Catalytic Converter Efficiency
90% reduction
Muffler Noise Reduction
Up to 50 dB
Material
Stainless Steel
Warranty
5 years / 60,000 miles
Available Specifications
Exhaust Components
This section details the primary components of the exhaust system in the 2015-2019 Subaru Legacy. It includes information about the materials, design, and function of each part, such as the muffler, catalytic converter, and exhaust pipes.
Exhaust Components
This section details the primary components of the exhaust system in the 2015-2019 Subaru Legacy. It includes information about the materials, design, and function of each part, such as the muffler, catalytic converter, and exhaust pipes.
Muffler
- Constructed from stainless steel for durability
- Designed to reduce exhaust noise effectively
- Features a dual-tip design for improved aesthetics
- Includes internal baffles for sound dampening
- Corrosion-resistant coating for longevity
- Easy to replace with OEM or aftermarket options
Catalytic Converter
- Uses a honeycomb structure for efficient emissions control
- Complies with EPA and CARB standards
- Made from high-quality ceramic and metal substrates
- Includes oxygen sensors for optimal performance
- Designed to last the lifetime of the vehicle
- Replacement requires professional installation
Exhaust Pipes
- Made from aluminized steel for heat resistance
- 2.5-inch diameter for optimal exhaust flow
- Flexible joints to accommodate engine movement
- Heat shields to protect surrounding components
- Rust-resistant coating for extended durability
- Available in OEM and aftermarket configurations
Exhaust Performance
This section covers the performance characteristics of the exhaust system, including airflow, noise levels, and emissions. It also provides insights into how the system contributes to the overall performance of the vehicle.
Exhaust Performance
This section covers the performance characteristics of the exhaust system, including airflow, noise levels, and emissions. It also provides insights into how the system contributes to the overall performance of the vehicle.
Airflow Efficiency
- Optimized for minimal backpressure
- Enhances engine performance and fuel efficiency
- Designed to work with both 2.5L and 3.6L engines
- Includes a resonator for smoother airflow
- Reduces turbo lag in turbocharged models
- Improves throttle response
Noise Levels
- Engineered for a quiet cabin experience
- Produces a deep, sporty tone under acceleration
- Meets strict noise regulations
- Includes sound-deadening materials
- Minimizes drone at highway speeds
- Customizable with aftermarket exhaust systems
Emissions Control
- Reduces harmful emissions by up to 90%
- Includes a secondary air injection system
- Monitors emissions via onboard diagnostics
- Supports eco-friendly driving
- Compatible with low-sulfur fuels
- Regular maintenance ensures compliance
Maintenance and Care
This section provides guidance on maintaining the exhaust system to ensure longevity and optimal performance. It includes tips for inspection, cleaning, and addressing common issues.
Maintenance and Care
This section provides guidance on maintaining the exhaust system to ensure longevity and optimal performance. It includes tips for inspection, cleaning, and addressing common issues.
Inspection Tips
- Check for rust or corrosion every 6 months
- Inspect hangers and brackets for wear
- Look for cracks or leaks in the exhaust pipes
- Monitor oxygen sensor performance
- Ensure heat shields are securely attached
- Listen for unusual noises during operation
Cleaning and Protection
- Use a mild detergent to clean exterior surfaces
- Apply a rust inhibitor to exposed metal parts
- Avoid high-pressure washing near seals
- Clean the catalytic converter with approved products
- Inspect and clean the muffler interior periodically
- Protect against road salt in winter months
Common Issues and Solutions
- Address rattling noises by tightening loose components
- Replace worn gaskets to prevent leaks
- Fix check engine lights related to oxygen sensors
- Repair or replace damaged heat shields
- Upgrade to aftermarket parts for better performance
- Consult a professional for complex repairs
Search Specifications
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Single exit, dual tip
- Platform
- Subaru Global Platform
- Material
- Stainless steel
- Location
- Rear underbody
Dimensions
- Pipe Diameter
- 2.5 inches (63.5 mm)
- Tailpipe Diameter
- 3.5 inches (88.9 mm)
- Overall Length
- 78 inches (1981.2 mm)
- Muffler Length
- 24 inches (609.6 mm)
- Catalytic Converter Length
- 18 inches (457.2 mm)
- Ground Clearance
- 6.5 inches (165.1 mm)
- Weight
- 32 lbs (14.5 kg)
Materials
- Exhaust Pipe
- 409 stainless steel
- Muffler
- Aluminized steel
- Catalytic Converter
- Ceramic substrate with stainless steel housing
- Tailpipe
- Polished stainless steel
- Gaskets
- Graphite and stainless steel
Features
- Performance
-
- Optimized flow design
- Reduced back pressure
- Enhanced exhaust scavenging
- Improved engine efficiency
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced hangers
- Vibration dampening
- Emissions
-
- EPA-compliant catalytic converter
- Oxygen sensor integration
- Low emissions design
- PZEV (Partial Zero Emissions Vehicle) certified
- Sound
-
- Tuned exhaust note
- Reduced cabin noise
- Balanced resonance
- Sporty acoustic profile
- installation
-
- Direct bolt-on design
- Precision-fit components
- Factory-aligned hangers
- No cutting or welding required
Safety Features
- Heat Management
-
- Heat shields on critical components
- Thermal insulation
- Safe ground clearance
- Structural integrity
-
- Reinforced mounting points
- Crash-resistant design
- Flexible joints to prevent cracking
- Emissions Control
-
- Catalytic converter efficiency monitoring
- Oxygen sensor feedback system
- Leak detection system
Comfort Features
- Noise Reduction
-
- Multi-chamber muffler design
- Sound-deadening materials
- Resonator integration
- Vibration Control
-
- Rubber isolators
- Flexible pipe joints
- Balanced weight distribution
- Aesthetics
-
- Polished tailpipe finish
- Sleek design integration
- Brand-specific styling
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Aftermarket exhaust tips
- Performance mufflers
- Maintenance Tools
-
- Exhaust hanger removal tool
- Oxygen sensor socket
- Exhaust sealant
- Protective Gear
-
- Heat-resistant gloves
- Exhaust wrap
- Underbody coating
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks
- Check hangers and mounts
- Clean tailpipe
- Inspect catalytic converter
- Test oxygen sensors
- Maintenance Notes
- Regularly check for rust and corrosion, especially in winter climates.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Defects in materials and workmanship
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Catalytic converter and oxygen sensors
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Perforation due to rust
- Warranty Terms
- Warranty void if aftermarket modifications are made.
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Laser cutting
- Robotic welding
- Flow testing
- Quality inspection
- Quality Control
- Pressure Testing: 100% tested for leaksMaterial inspection: X-ray and ultrasonic testingFitment Check: Tested on vehicle prototypes
- Sustainability Practices
-
- Recycled materials used
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Usage: 15 kWh per unit
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Inspect exhaust system for leaks
- Check hangers and mounts for wear
- Clean tailpipe and inspect for corrosion
- Test oxygen sensor functionality
- Inspect catalytic converter for damage
Ensure all connections are tight and free of leaks.
- Perform full exhaust system inspection
- Replace gaskets if necessary
- Check heat shields for integrity
- Test exhaust back pressure
- Inspect flex pipe for cracks
Use a smoke machine to detect small leaks.
- Replace oxygen sensors
- Inspect and clean catalytic converter
- Check for rust and corrosion
- Replace exhaust hangers if worn
- Perform emissions system test
Consider replacing the catalytic converter if efficiency is below 90%.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 2015-2019 Subaru Legacy models?
Is this exhaust system compatible with all 2015-2019 Subaru Legacy models?
This exhaust system is designed to be compatible with all 2015-2019 Subaru Legacy models, including both 2.5L and 3.6L engine variants. It is engineered to fit seamlessly with the factory mounting points and hangers. However, compatibility may vary slightly depending on trim levels or aftermarket modifications. Always verify fitment details with the manufacturer or retailer before purchase.
Q2 What maintenance is required for the exhaust system?
What maintenance is required for the exhaust system?
Regular maintenance for the exhaust system includes inspecting for rust, cracks, or leaks every 6-12 months. Ensure all bolts and hangers are secure and free of corrosion. Clean the exhaust tips to prevent buildup. If you live in areas with harsh winters or road salt, more frequent inspections are recommended. Replace worn-out gaskets or damaged components promptly to maintain optimal performance.
Q3 How do I install or replace the exhaust system on my Subaru Legacy?
How do I install or replace the exhaust system on my Subaru Legacy?
To install or replace the exhaust system, first, lift the vehicle securely using a jack and stands. Remove the old exhaust by loosening the bolts at the manifold and mid-pipe connections. Detach the hangers using a pry tool. Install the new exhaust by aligning it with the hangers and tightening the bolts evenly. Use new gaskets to ensure a proper seal. Double-check all connections for leaks before lowering the vehicle.
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 from the exhaust system, such as rattling or hissing, often indicate loose components, leaks, or damaged parts. Inspect the hangers, bolts, and gaskets for tightness and wear. Check for holes or cracks in the pipes. If the issue persists, consult a professional mechanic to diagnose and repair the problem. Ignoring these noises can lead to reduced performance or safety hazards.
Q5 How can I optimize the performance of my exhaust system?
How can I optimize the performance of my exhaust system?
To optimize performance, ensure the exhaust system is free of leaks and properly aligned. Consider upgrading to a high-flow catalytic converter or performance muffler for improved airflow. Regularly clean the exhaust tips and inspect for blockages. Pairing the exhaust system with a tuned ECU can further enhance power and efficiency. Always follow the manufacturer’s recommendations for modifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2015-2019 Subaru Legacy Exhaust System Service Manual
Coming SoonThis manual provides detailed instructions for installing, maintaining, and troubleshooting the exhaust system for 2015-2019 Subaru Legacy models.
Subaru Technical Service Bulletin: Exhaust System Updates
Coming SoonThis bulletin outlines updates and fixes for common exhaust system issues in 2015-2019 Subaru Legacy models.
Subaru Legacy Exhaust Parts and Accessories Catalog
Coming SoonA comprehensive catalog of OEM and aftermarket exhaust parts and accessories for 2015-2019 Subaru Legacy models.
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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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