Subaru Subaru Legacy 1994-1999 Exhaust Specifications
Explore detailed exhaust system specifications for the 1994-1999 Subaru Legacy, including components like the exhaust manifold, catalytic converter, and muffler. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed exhaust specifications for the 1994-1999 Subaru Legacy. It includes information on exhaust system components, materials, dimensions, and performance characteristics. Use this guide to understand the technical aspects of the Legacy's exhaust system, whether for maintenance, upgrades, or repairs. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search function to quickly locate specific terms or components within the document. Enter keywords like 'muffler' or 'catalytic converter' to find relevant sections.
Navigate through the document using the section titles and subsections. Each section is labeled clearly, and subsections provide detailed points for easy reference.
Key Specifications
Exhaust Manifold Material
Cast Iron
Catalytic Converter Type
Ceramic Honeycomb
Muffler Material
Aluminized Steel
Tailpipe Diameter
2.25 inches
Noise Level at Idle
85 dB
Available Specifications
Exhaust System Components
This section covers the main components of the 1994-1999 Subaru Legacy exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about their functions, materials, and placement within the vehicle.
Exhaust System Components
This section covers the main components of the 1994-1999 Subaru Legacy exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about their functions, materials, and placement within the vehicle.
Exhaust Manifold
- Made of cast iron for durability and heat resistance.
- Directs exhaust gases from the engine cylinders to the exhaust pipe.
- Features a 4-into-1 design for optimal flow.
- Includes heat shields to protect surrounding components.
Catalytic Converter
- Uses a ceramic honeycomb structure coated with precious metals.
- Reduces harmful emissions by converting pollutants into less harmful gases.
- Located between the exhaust manifold and the muffler.
- Complies with 1990s emissions standards.
Muffler and Tailpipe
- Muffler constructed from aluminized steel for corrosion resistance.
- Designed to reduce exhaust noise while maintaining flow efficiency.
- Tailpipe diameter measures 2.25 inches for balanced performance.
- Includes a chrome-plated tip for aesthetic appeal.
Exhaust System Dimensions
This section provides detailed measurements for the exhaust system components, including pipe diameters, lengths, and mounting points. Use this information for replacements or custom modifications.
Exhaust System Dimensions
This section provides detailed measurements for the exhaust system components, including pipe diameters, lengths, and mounting points. Use this information for replacements or custom modifications.
Pipe Diameters
- Exhaust manifold outlet: 2.0 inches.
- Catalytic converter inlet/outlet: 2.25 inches.
- Muffler inlet: 2.25 inches.
- Tailpipe outlet: 2.25 inches.
Component Lengths
- Exhaust manifold length: 18 inches.
- Catalytic converter length: 14 inches.
- Muffler length: 24 inches.
- Tailpipe length: 36 inches.
Performance Characteristics
This section explores the performance aspects of the exhaust system, including flow rates, backpressure, and noise levels. Understand how the system impacts the vehicle's overall performance.
Performance Characteristics
This section explores the performance aspects of the exhaust system, including flow rates, backpressure, and noise levels. Understand how the system impacts the vehicle's overall performance.
Flow and Backpressure
- Designed for optimal flow with minimal backpressure.
- Backpressure maintained below 2 psi at full throttle.
- Supports engine output of up to 165 horsepower.
- Balances performance and emissions compliance.
Noise Levels
- Muffler reduces noise to 85 dB at idle.
- Tailpipe design minimizes drone at highway speeds.
- Complies with federal noise regulations.
- Provides a sporty yet refined exhaust note.
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Single or dual outlet depending on trim
- Platform
- Subaru Legacy 1994-1999
- Material
- Stainless steel and aluminized steel
- Location
- Underbody, rear-mounted
Dimensions
- Pipe Diameter
- 2.25 inches (57.15 mm)
- Muffler Length
- 24 inches (609.6 mm)
- Tailpipe Length
- 18 inches (457.2 mm)
- Overall Length
- 72 inches (1828.8 mm)
- Ground Clearance
- 6.5 inches (165.1 mm)
- Weight
- 22 lbs (9.98 kg)
- Hanger Spacing
- 12 inches (304.8 mm)
Materials
- Exhaust Pipe
- Aluminized steel
- Muffler
- Stainless steel
- Catalytic Converter
- Ceramic substrate with stainless steel casing
- Gaskets
- Graphite and steel composite
- Hangers
- Rubber and steel
Features
- Performance
-
- Optimized backpressure for engine efficiency
- Reduced exhaust gas temperature
- Enhanced airflow dynamics
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced hangers for vibration resistance
- Noise Reduction
-
- Tuned muffler for quiet operation
- Resonator for sound dampening
- Anti-drone technology
- Emissions
-
- EPA-compliant catalytic converter
- O2 sensor compatibility
- Low emissions design
- installation
-
- Direct bolt-on design
- Pre-drilled mounting points
- Compatible with OEM and aftermarket parts
Safety Features
- Heat Protection
-
- Heat shields for underbody protection
- Thermal insulation for passenger safety
- Structural integrity
-
- Reinforced welds
- Crush-resistant piping
- Emissions Compliance
-
- Meets federal emissions standards
- Catalytic converter efficiency monitoring
Comfort Features
- Noise Level
- 72 dB at idle, 85 dB at full throttle
- Vibration Dampening
- Rubber hangers and flexible joints
- Heat Management
- Insulated components to reduce cabin heat
- Aesthetics
- Polished stainless steel tips
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Performance muffler
- Stainless steel headers
- Maintenance Tools
-
- Exhaust hanger removal tool
- Gasket set
- O2 sensor socket
- Cosmetic
-
- Chrome exhaust tips
- Heat-resistant paint
- Custom exhaust wraps
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks and cracks
- Check hangers and mounts
- Clean exhaust tips
- Inspect catalytic converter
- Test O2 sensors
- Maintenance Notes
- Regularly check for rust and corrosion, especially in winter climates.
Warranty
- Standard Warranty
- Miles: 36,000Years: 3Coverage: Defects in materials and workmanship
- Corrosion Warranty
- Miles: 60,000Years: 5Coverage: Perforation due to rust
- Performance Warranty
- Miles: 50,000Years: 4Coverage: Catalytic converter efficiency
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional extended coverage for exhaust components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Laser-cut piping
- Robotic welding
- Pressure testing
- Quality Control
- inspection: 100% visual and pressure testingTolerances: ±0.5 mm for pipe diameterCertifications: ISO 9001 compliant
- Sustainability Practices
-
- Recycled steel usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsLead Time: 2 weeksDefect Rate: 0.1%
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 and polish exhaust tips
- Inspect catalytic converter for damage
- Test O2 sensor functionality
Ensure all connections are tight and free of corrosion.
- Replace exhaust gaskets
- Inspect and replace hangers if necessary
- Check for rust and corrosion
- Test exhaust backpressure
- Inspect heat shields
Use OEM or equivalent parts for replacements.
- Replace catalytic converter if efficiency is below 90%
- Inspect and replace muffler if damaged
- Check entire exhaust system for structural integrity
- Perform emissions test
- Replace O2 sensors if faulty
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 1994-1999 Subaru Legacy models?
Is this exhaust system compatible with all 1994-1999 Subaru Legacy models?
This exhaust system is designed to be compatible with all 1994-1999 Subaru Legacy models, including sedan and wagon variants. It fits both manual and automatic transmissions. However, compatibility may vary slightly depending on engine type (e.g., 2.2L or 2.5L). Always verify your vehicle's specifications before purchase. For specific fitment details, consult the product manual or contact the manufacturer.
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 mounting brackets and hangers are secure. Clean the exterior with a mild detergent to prevent corrosion. Replace gaskets and seals as needed, especially during installation or after high mileage. Adhering to these steps will prolong the system's lifespan and maintain optimal performance.
Q3 How do I install or replace the exhaust system on my 1994-1999 Subaru Legacy?
How do I install or replace the exhaust system on my 1994-1999 Subaru Legacy?
To install or replace the exhaust system, first, lift the vehicle securely using jack stands. Remove the old exhaust by detaching the hangers and unbolting the connections. Align the new exhaust system, ensuring proper fitment, and secure it using the provided hardware. Tighten all bolts to the manufacturer's torque specifications. Finally, check for leaks and ensure the system is properly aligned 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, such as rattling or hissing, often indicate loose components, leaks, or damaged parts. Inspect the exhaust hangers, brackets, and connections for tightness. Check for holes or cracks in the pipes or muffler. If the issue persists, consult a professional mechanic for a thorough diagnosis. Addressing these problems early can prevent further damage and costly repairs.
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 obstructions and leaks. Use high-quality gaskets and seals during installation. Consider upgrading to a performance-oriented muffler or catalytic converter for improved airflow. Regularly inspect and maintain the system to prevent rust and corrosion. Proper tuning of the engine can also enhance exhaust efficiency and overall vehicle performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-1999 Subaru Legacy Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 1994-1999 Subaru Legacy. Includes detailed diagrams and step-by-step instructions.
Technical Service Bulletin: Exhaust System Updates
Coming SoonOfficial bulletin addressing common exhaust system issues and updates for 1994-1999 Subaru Legacy models. Includes repair recommendations and part numbers.
Subaru Legacy Exhaust Parts Catalog
Coming SoonCatalog listing all OEM and aftermarket exhaust components for 1994-1999 Subaru Legacy models. Includes part numbers, descriptions, and compatibility details.
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Technical Information
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