Subaru Subaru Impreza 1992-2000 Exhaust Specifications
Explore detailed exhaust system specifications for the 1992-2000 Subaru Impreza, including the exhaust manifold, catalytic converter, muffler, and piping. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust systems used in Subaru Impreza models from 1992 to 2000. It is designed to assist enthusiasts, mechanics, 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 functionality to locate specific terms or components within the document. Enter keywords like 'muffler,' 'catalytic converter,' or 'pipe diameter' to find relevant sections quickly.
Navigate through the document by scrolling through sections or using the table of contents. Each section is organized by major topics, with subsections providing detailed technical points for easy reference.
Key Specifications
Header Material
Cast iron or stainless steel
Catalytic Converter Type
Ceramic or metallic substrate
Muffler Diameter
1.75-2.25 inches
Tailpipe Configuration
Single or dual exit
Exhaust Backpressure
Moderate for low-end torque
Available Specifications
Exhaust System Components
This section covers the primary components of the Subaru Impreza exhaust system, including the headers, catalytic converter, muffler, and tailpipe. Learn about the materials, design, and function of each part to better understand how they contribute to the vehicle's performance and emissions.
Exhaust System Components
This section covers the primary components of the Subaru Impreza exhaust system, including the headers, catalytic converter, muffler, and tailpipe. Learn about the materials, design, and function of each part to better understand how they contribute to the vehicle's performance and emissions.
Headers and Manifold
- Constructed from cast iron or stainless steel for durability
- Designed to optimize exhaust gas flow
- Available in 4-1 or 4-2-1 configurations depending on the model
- Heat-resistant coatings to reduce underhood temperatures
Catalytic Converter
- OBD-II compliant for 1996 and later models
- Uses a ceramic or metallic honeycomb substrate
- Reduces harmful emissions like CO, NOx, and hydrocarbons
- Located between the headers and muffler
Muffler and Tailpipe
- Stainless steel construction for corrosion resistance
- Chambered or straight-through designs for sound control
- Tailpipe diameter ranges from 1.75 to 2.25 inches
- Dual-exit options available on some performance models
Performance and Upgrades
Explore the performance characteristics of the stock exhaust system and learn about popular aftermarket upgrades. This section includes information on exhaust flow, backpressure, and how modifications can impact horsepower, torque, and sound.
Performance and Upgrades
Explore the performance characteristics of the stock exhaust system and learn about popular aftermarket upgrades. This section includes information on exhaust flow, backpressure, and how modifications can impact horsepower, torque, and sound.
Stock Performance
- Designed for balanced performance and emissions compliance
- Moderate backpressure for low-end torque
- Quiet operation with minimal drone
- Optimized for daily driving conditions
Aftermarket Upgrades
- High-flow catalytic converters for improved exhaust flow
- Performance headers to reduce backpressure
- Cat-back or axle-back exhaust systems for enhanced sound
- Lightweight materials like titanium for weight reduction
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and diagnosing common issues. Learn how to inspect for leaks, replace worn components, and ensure the system operates efficiently.
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and diagnosing common issues. Learn how to inspect for leaks, replace worn components, and ensure the system operates efficiently.
Common Issues
- Rust and corrosion in older models
- Cracked or damaged exhaust manifolds
- Clogged catalytic converters reducing performance
- Loose or broken hangers causing rattling
Maintenance Tips
- Regularly inspect for rust and damage
- Replace gaskets and seals during component swaps
- Use high-temperature paint to protect exposed areas
- Check for exhaust leaks using a smoke test
Search Specifications
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Rear-mounted
- Platform
- Subaru Impreza GC/GF chassis
- Material
- Stainless steel
- Location
- Underbody, rear section
Dimensions
- Pipe Diameter
- 2.25 inches (57.15 mm)
- Muffler Length
- 24 inches (609.6 mm)
- Muffler Width
- 8 inches (203.2 mm)
- Muffler Height
- 6 inches (152.4 mm)
- Tailpipe Diameter
- 3 inches (76.2 mm)
- Tailpipe Length
- 12 inches (304.8 mm)
- Total System Length
- 96 inches (2438.4 mm)
Materials
- Exhaust Pipes
- 409 stainless steel
- Muffler Body
- 304 stainless steel
- Hangers
- Rubber and steel composite
- Gaskets
- Graphite and steel
- Flanges
- Carbon steel
Features
- Performance
-
- Optimized flow design
- Reduced back pressure
- Enhanced exhaust scavenging
- Improved horsepower output
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced hangers
- Vibration dampening
- Sound
-
- Tuned muffler design
- Balanced exhaust note
- Reduced drone
- Sporty tone
- installation
-
- Direct bolt-on fitment
- Pre-welded sections
- Adjustable hangers
- Included hardware kit
- Aesthetics
-
- Polished tailpipe finish
- Dual tip design
- Branded exhaust tips
- Sleek underbody profile
Safety Features
- Heat Management
-
- Heat shields for underbody components
- Thermal wrap for critical sections
- Structural integrity
-
- Reinforced welds
- Crush-resistant muffler design
- Emissions Compliance
-
- Meets EPA standards
- Compatible with catalytic converter
Comfort Features
- Noise Reduction
-
- Multi-chamber muffler design
- Sound-deadening materials
- Vibration Control
-
- Flexible hangers
- Rubber isolators
- Heat insulation
-
- Thermal barriers
- Heat-resistant coatings
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Performance headers
- Exhaust wrap
- Maintenance Tools
-
- Exhaust hanger tool
- Gasket set
- Thread locker
- Aesthetic Additions
-
- Custom exhaust tips
- Heat-resistant paint
- Exhaust finishers
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks
- Check hanger integrity
- Clean exhaust tips
- Tighten bolts and flanges
- Inspect heat shields
- Maintenance Notes
- Regularly check for rust or corrosion, especially in winter climates.
Warranty
- Manufacturer Warranty
- Miles: 60,000Years: 5Coverage: Defects in materials and workmanship
- Corrosion Warranty
- Miles: 100,000Years: 10Coverage: Perforation due to rust
- Performance Warranty
- Miles: 50,000Years: 3Coverage: Maintains specified flow rates
- Warranty Terms
- Warranty void if modified or used in racing conditions.
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Laser-cut components
- Robotic welding
- Pressure testing
- Final inspection
- Quality Control
- Material Testing: XRF analysis for material compositionWeld integrity: Ultrasonic testingFitment Checks: CAD-verified prototypes
- Sustainability Practices
-
- Recycled stainless steel
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%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
- Tighten all bolts and flanges
- Clean exhaust tips
- Inspect heat shields
Ensure proper torque on all fasteners to prevent leaks.
- Replace exhaust gaskets
- Inspect catalytic converter
- Check for corrosion
- Test exhaust back pressure
- Inspect muffler internals
Use OEM gaskets for proper sealing.
- Replace muffler if necessary
- Inspect entire exhaust system
- Check for structural integrity
- Test emissions performance
- Replace worn hangers
Consider full system replacement if significant corrosion is present.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 1992-2000 Subaru Impreza models?
Is this exhaust system compatible with all 1992-2000 Subaru Impreza models?
This exhaust system is designed to be compatible with all 1992-2000 Subaru Impreza models, including sedan, wagon, and coupe variants. It fits both naturally aspirated and turbocharged engines. However, minor modifications may be required for specific trims or aftermarket setups. Always verify compatibility with your vehicle's VIN or consult a professional before purchase.
Q2 What maintenance is required for the exhaust system?
What maintenance is required for the exhaust system?
Regular maintenance includes inspecting for rust, cracks, or leaks every 6-12 months. Clean the exhaust tips to prevent buildup and ensure proper airflow. Check gaskets and hangers for wear and replace as needed. Avoid harsh chemicals during cleaning. For turbocharged models, monitor the downpipe and catalytic converter for heat-related wear.
Q3 How do I install or replace the exhaust system?
How do I install or replace the exhaust system?
To install or replace the exhaust system, first, lift the vehicle securely. Remove the old exhaust by detaching hangers, bolts, and clamps. Align the new system, starting from the headers to the muffler, ensuring proper fitment. Tighten all connections and reattach hangers. Use new gaskets to prevent leaks. Test for proper alignment and secure all components 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 may indicate leaks, loose components, or damaged parts. Inspect the exhaust for cracks, loose hangers, or worn gaskets. Tighten bolts and clamps, and replace damaged parts. If the issue persists, check the catalytic converter or muffler for internal damage. Consult a professional if you suspect a deeper mechanical issue.
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 restrictions and leaks. Use high-flow catalytic converters or delete them if legal in your area. Upgrade to a performance muffler for better airflow. Regularly inspect and maintain the system to prevent rust and damage. Pair with a tuned ECU for maximum efficiency and power gains.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-2000 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for all 1992-2000 Subaru Impreza models.
Technical Service Bulletin: Exhaust System Updates
Coming SoonDetails updates and fixes for common exhaust system issues in 1992-2000 Subaru Impreza models.
Subaru Impreza Exhaust Parts Catalog
Coming SoonCatalog listing OEM and aftermarket exhaust components for 1992-2000 Subaru Impreza 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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