Subaru Subaru Outback 1994-1999 Exhaust Specifications
Explore detailed exhaust system specifications for the 1994-1999 Subaru Outback, including part numbers, dimensions, and compatibility. Essential for maintenance, repair, or upgrades.
Overview Specifications
This document provides detailed information about the exhaust system specifications for the 1994-1999 Subaru Outback. It includes sections on exhaust components, materials, performance, and maintenance. Use the search functionality to quickly locate specific terms or navigate through the sections to find comprehensive details. This guide is designed to assist owners, mechanics, and enthusiasts in understanding and maintaining the exhaust system of this vehicle model.
How to Use
Use the search bar to enter keywords related to the exhaust system, such as 'catalytic converter' or 'muffler'. The search will highlight relevant sections and subsections for quick access.
Scroll through the document to explore different sections. Each section is clearly labeled with a title and description, and subsections provide detailed information on specific components or features.
Key Specifications
Exhaust Manifold Material
Cast Iron
Catalytic Converter Coating
Platinum/Palladium/Rhodium
Muffler Material
Aluminized Steel
Tailpipe Diameter
2.25 inches
System Backpressure
2-4 psi
Available Specifications
Exhaust Components
This section covers the primary components of the exhaust system in the 1994-1999 Subaru Outback. It includes details on the exhaust manifold, catalytic converter, muffler, and tailpipe. Understanding these components is essential for maintenance and troubleshooting.
Exhaust Components
This section covers the primary components of the exhaust system in the 1994-1999 Subaru Outback. It includes details on the exhaust manifold, catalytic converter, muffler, and tailpipe. Understanding these components is essential for maintenance and troubleshooting.
Exhaust Manifold
- Made of cast iron for durability
- Directs exhaust gases from the engine to the catalytic converter
- Prone to cracks due to heat stress
- Replacement recommended if leaks or cracks are detected
Catalytic Converter
- Reduces harmful emissions by converting gases into less toxic substances
- Contains a honeycomb structure coated with platinum, palladium, and rhodium
- Can become clogged over time, reducing engine performance
- Replacement required if emissions tests fail
Muffler
- Designed to reduce exhaust noise
- Constructed from aluminized steel for corrosion resistance
- Internally uses baffles or chambers to cancel sound waves
- Rust is a common issue in humid climates
Exhaust Materials and Durability
This section focuses on the materials used in the exhaust system and their durability. It highlights the importance of material selection in ensuring longevity and performance.
Exhaust Materials and Durability
This section focuses on the materials used in the exhaust system and their durability. It highlights the importance of material selection in ensuring longevity and performance.
Material Types
- Cast iron for the exhaust manifold
- Aluminized steel for the muffler and tailpipe
- Stainless steel options available for aftermarket parts
- Ceramic coatings for heat resistance
Corrosion Resistance
- Aluminized steel provides moderate corrosion resistance
- Stainless steel offers superior rust prevention
- Regular inspection for rust is recommended
- Undercoating can extend the life of exhaust components
Exhaust System Performance
This section discusses the performance aspects of the exhaust system, including flow efficiency, backpressure, and impact on engine power. It also covers upgrades and modifications.
Exhaust System Performance
This section discusses the performance aspects of the exhaust system, including flow efficiency, backpressure, and impact on engine power. It also covers upgrades and modifications.
Flow Efficiency
- Designed to minimize backpressure
- Free-flowing mufflers can improve performance
- Restrictions in the catalytic converter reduce efficiency
- Aftermarket headers can enhance exhaust flow
Backpressure and Engine Power
- Excessive backpressure reduces engine efficiency
- Optimal backpressure is necessary for torque
- High-performance exhaust systems balance flow and pressure
- Upgraded systems can increase horsepower by 5-10%
Search Specifications
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Rear-mounted
- Platform
- 1994-1999 Subaru Outback
- Material
- Stainless steel and aluminized steel
- Location
- Underbody, rear section
Dimensions
- Overall Length
- 72 inches (182.88 cm)
- Pipe Diameter
- 2.25 inches (5.72 cm)
- Muffler Length
- 24 inches (60.96 cm)
- Muffler Width
- 8 inches (20.32 cm)
- Muffler Height
- 6 inches (15.24 cm)
- Tailpipe Diameter
- 2.5 inches (6.35 cm)
- Tailpipe Length
- 12 inches (30.48 cm)
Materials
- Exhaust Pipes
- Aluminized steel
- Muffler
- Stainless steel
- Catalytic Converter
- Ceramic substrate with stainless steel casing
- Exhaust Tips
- Polished stainless steel
- Gaskets
- Graphite and steel composite
Features
- Performance
-
- Optimized flow design
- Reduced backpressure
- Enhanced exhaust scavenging
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced mounting points
- Noise Reduction
-
- Tuned muffler design
- Sound-dampening materials
- Resonator integration
- Emissions Control
-
- Integrated catalytic converter
- Oxygen sensor compatibility
- Compliant with EPA standards
- installation
-
- Direct bolt-on design
- Precision-fit components
- Included hardware kit
Safety Features
- Heat Protection
-
- Heat shields on critical components
- Thermal insulation on underbody
- Structural integrity
-
- Reinforced hangers
- Impact-resistant materials
- Emissions Safety
-
- Catalytic converter efficiency
- Leak-proof gasket seals
Comfort Features
- Noise Level
- Reduced cabin noise
- Vibration Dampening
- Integrated rubber mounts
- Heat Management
- Minimized heat transfer to cabin
- Aesthetics
- Polished exhaust tips
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Performance muffler
- Stainless steel headers
- Maintenance Tools
-
- Exhaust hanger removal tool
- Gasket scraper
- Oxygen sensor socket
- Protective Gear
-
- Heat-resistant gloves
- Exhaust wrap
- Rust inhibitor spray
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks
- Check hangers and mounts
- Clean exhaust tips
- Inspect catalytic converter
- Replace gaskets if necessary
- 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: Maintains specified flow and noise levels
- Warranty Terms
- Warranty void if modified or used in off-road conditions.
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Laser-cut components
- Robotic welding
- Pressure testing
- Quality Control
- inspection: 100% component inspectionTesting: Flow and noise level testingCertifications: ISO 9001 and EPA compliant
- Sustainability Practices
-
- Recycled materials in production
- Low-emission manufacturing
- Eco-friendly packaging
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 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 exhaust tips
- Inspect catalytic converter for damage
- Replace gaskets if necessary
Ensure all connections are tight and free of corrosion.
- Perform full exhaust system inspection
- Check oxygen sensor functionality
- Inspect heat shields for integrity
- Test catalytic converter efficiency
- Replace worn hangers and mounts
Use a lift for thorough inspection of underbody components.
- Replace catalytic converter if necessary
- Inspect and replace exhaust pipes if corroded
- Check muffler for internal damage
- Perform emissions system test
- Replace all gaskets and seals
Critical to address any rust or corrosion to prevent system failure.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 1994-1999 Subaru Outback models?
Is this exhaust system compatible with all 1994-1999 Subaru Outback models?
This exhaust system is designed to be compatible with all 1994-1999 Subaru Outback models, including both 2.2L and 2.5L engine variants. It is engineered to fit the factory mounting points and hangers, ensuring a seamless installation. However, minor adjustments may be required for vehicles with aftermarket modifications. Always verify compatibility with your specific model and trim 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 mounting hardware is tight and secure. Clean the exterior surfaces to prevent corrosion. Replace gaskets and seals as needed, typically every 2-3 years or 30,000-50,000 miles. Avoid driving through deep water or corrosive environments to prolong the system's lifespan.
Q3 How do I install or replace the exhaust system on my Subaru Outback?
How do I install or replace the exhaust system on my Subaru Outback?
To install or replace the exhaust system, first, lift the vehicle securely using jack stands. Remove the old exhaust by detaching the mounting bolts and hangers. Install the new system by aligning it with the factory hangers and securing it with the provided hardware. Use new gaskets at the connection points to prevent leaks. Tighten all bolts evenly and double-check for proper alignment 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 system for loose hangers, broken mounts, or cracks in the pipes. Tighten or replace any faulty hardware. If the issue persists, check the catalytic converter and muffler for internal damage. Seek professional assistance if the problem cannot be resolved.
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. Ensure the exhaust system is free of restrictions and leaks. Regularly clean and inspect the system to maintain efficiency. Pairing the exhaust with a tuned intake system can also enhance performance. 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.
1994-1999 Subaru Outback Service Manual
Coming SoonComprehensive service manual covering all aspects of maintenance, repair, and troubleshooting for the 1994-1999 Subaru Outback.
Technical Service Bulletin: Exhaust System Updates
Coming SoonOfficial Subaru bulletin detailing updates and fixes for common exhaust system issues in 1994-1999 Outback models.
Subaru Outback Exhaust Parts Catalog
Coming SoonCatalog listing all OEM and aftermarket exhaust components for the 1994-1999 Subaru Outback, including part numbers and compatibility details.
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