Subaru Subaru Impreza 2017-present Exhaust Specifications
Explore detailed exhaust system specifications for the 2017-Present Subaru Impreza, including components like the catalytic converter, muffler, and tailpipe. Ideal for maintenance, repairs, and upgrades.
Overview Specifications
This document provides detailed specifications and information about the exhaust system of the 2017-Present Subaru Impreza. It is designed to help users understand the technical aspects of the exhaust system, including its components, performance, and maintenance. Use the search and navigation instructions to quickly find the information you need. The document is divided into sections for easy reference, with detailed subsections covering specific topics.
How to Use
Use the search bar to quickly locate specific terms or topics within the document. Enter keywords related to the exhaust system, such as 'muffler' or 'catalytic converter,' to find relevant sections.
Navigate through the document using the table of contents or by scrolling through the sections. Each section is clearly labeled and contains subsections with detailed information about the exhaust system.
Key Specifications
Exhaust Diameter
2.25 inches
Catalytic Converter Type
Three-way catalytic
Muffler Material
Stainless steel
Emissions Compliance
EPA Tier 3, CARB LEV III
Exhaust System Weight
Approx. 45 lbs
Available Specifications
Exhaust System Components
This section covers the main components of the Subaru Impreza's exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about the function and importance of each component in ensuring optimal performance and emissions control.
Exhaust System Components
This section covers the main components of the Subaru Impreza's exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Learn about the function and importance of each component in ensuring optimal performance and emissions control.
Exhaust Manifold
- Collects exhaust gases from the engine cylinders
- Made of durable cast iron or stainless steel
- Designed to withstand high temperatures
- Connects to the catalytic converter
Catalytic Converter
- Reduces harmful emissions by converting pollutants
- Contains a honeycomb structure coated with catalysts
- Complies with strict emissions standards
- Requires periodic inspection for optimal performance
Muffler
- Reduces exhaust noise for a quieter ride
- Constructed from corrosion-resistant materials
- Includes internal baffles to dissipate sound waves
- Positioned near the rear of the vehicle
Performance and Efficiency
This section explores how the exhaust system contributes to the Subaru Impreza's performance and fuel efficiency. Discover how the design and materials used in the exhaust system enhance engine power and reduce emissions.
Performance and Efficiency
This section explores how the exhaust system contributes to the Subaru Impreza's performance and fuel efficiency. Discover how the design and materials used in the exhaust system enhance engine power and reduce emissions.
Exhaust Flow Optimization
- Designed for minimal backpressure
- Enhances engine efficiency and power output
- Uses mandrel-bent tubing for smooth airflow
- Improves throttle response
Emissions Control
- Meets EPA and CARB emissions standards
- Utilizes advanced catalytic converter technology
- Reduces CO, NOx, and hydrocarbon emissions
- Supports eco-friendly driving
Maintenance and Care
Learn how to properly maintain the exhaust system to ensure longevity and performance. This section provides tips on inspection, cleaning, and addressing common issues such as rust and leaks.
Maintenance and Care
Learn how to properly maintain the exhaust system to ensure longevity and performance. This section provides tips on inspection, cleaning, and addressing common issues such as rust and leaks.
Rust Prevention
- Regularly inspect for signs of rust or corrosion
- Apply protective coatings to vulnerable areas
- Avoid driving on salted roads when possible
- Replace rusted components promptly
Leak Detection
- Listen for unusual exhaust noises
- Check for soot or black marks near joints
- Inspect gaskets and seals for wear
- Use a smoke test to identify leaks
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Single exit with dual tips
- Platform
- Subaru Global Platform (SGP)
- Material
- Stainless steel
- Location
- Rear-mounted
Dimensions
- Pipe Diameter
- 2.5 inches (63.5 mm)
- Tailpipe Diameter
- 3.5 inches (88.9 mm)
- Overall Length
- 72 inches (1828.8 mm)
- Muffler Length
- 24 inches (609.6 mm)
- Catalyst Length
- 12 inches (304.8 mm)
- Ground Clearance
- 6.5 inches (165.1 mm)
- Weight
- 28 lbs (12.7 kg)
Materials
- Exhaust Pipe
- 409 stainless steel
- Muffler
- Aluminized steel
- Catalytic Converter
- Ceramic substrate with platinum coating
- Tailpipe
- Polished stainless steel
Features
- Performance
-
- Optimized backpressure for improved engine efficiency
- Enhanced exhaust flow for better horsepower
- Reduced turbo lag (for turbocharged models)
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced hangers for vibration resistance
- Sound Engineering
-
- Tuned muffler for sporty exhaust note
- Noise-canceling chambers
- Resonator for reduced drone
- Emissions
-
- EPA-compliant catalytic converter
- Oxygen sensor integration
- Low emissions design
- Aesthetics
-
- Polished dual exhaust tips
- Chrome finish
- Integrated rear bumper design
Safety Features
- Heat Management
-
- Heat shields for underbody protection
- Thermal insulation for passenger safety
- Structural integrity
-
- Reinforced mounting points
- Flexible joints for vibration absorption
- Emissions Safety
-
- Catalytic converter temperature monitoring
- Oxygen sensor failure detection
Comfort Features
- Noise Reduction
-
- Multi-chamber muffler design
- Sound-dampening materials
- Resonator for highway cruising
- Vibration Control
-
- Rubber isolators for hangers
- Flexible exhaust joints
- Balanced exhaust flow
- Heat Management
-
- Underbody heat shields
- Thermal insulation
- Cooling fins on muffler
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Aftermarket exhaust tips
- Performance muffler
- Maintenance Tools
-
- Exhaust hanger removal tool
- Oxygen sensor socket
- Exhaust sealant
- Protective Gear
-
- Exhaust wrap for heat management
- Rust inhibitor spray
- Heat-resistant paint
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect exhaust system for leaks
- Check hangers and mounts
- Clean exhaust tips
- Inspect catalytic converter
- Test oxygen sensors
- Maintenance Notes
- Regular inspection recommended for rust-prone areas
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
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional extended coverage for exhaust components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Laser-cut stainless steel pipes
- Robotic welding for precision
- Automated quality inspection
- Quality Control
- Pressure Testing: 100% of units testedLeak Detection: Ultrasonic testingMaterial Certification: ISO 9001 compliant
- Sustainability Practices
-
- Recycled stainless steel usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: 0.1%Energy Efficiency: 15% improvement over previous models
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Inspect exhaust system for leaks
- Check hangers and mounts
- Clean exhaust tips
- Inspect catalytic converter
- Test oxygen sensors
Ensure proper torque on all exhaust clamps
- Replace exhaust gaskets
- Inspect heat shields
- Check for corrosion
- Test exhaust backpressure
- Inspect flex pipe
Use OEM gaskets for best fit and durability
- Replace catalytic converter if needed
- Inspect entire exhaust system
- Replace oxygen sensors
- Check exhaust alignment
- Perform emissions test
Major service may require specialized tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 2017-Present Subaru Impreza models?
Is this exhaust system compatible with all 2017-Present Subaru Impreza models?
This exhaust system is designed to be compatible with all 2017-Present Subaru Impreza models, including sedan and hatchback variants. It fits both 2.0L and 2.5L engine configurations. However, it is recommended to verify your vehicle's specific trim and engine type before purchase. Some aftermarket modifications may require additional adapters or adjustments for proper fitment.
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 months. Clean the exhaust tips to prevent buildup and ensure proper airflow. Check the mounting hardware and gaskets annually for tightness and wear. If you notice unusual noises or reduced performance, have the system inspected by a professional immediately.
Q3 How do I install or replace the exhaust system on my Subaru Impreza?
How do I install or replace the exhaust system on my Subaru Impreza?
To install or replace the exhaust system, first, lift the vehicle securely using a jack and stands. Remove the old exhaust by loosening the clamps and bolts connecting it to the manifold and mid-pipe. Align the new exhaust system, ensuring proper fitment, and secure it with the provided hardware. Tighten all connections evenly and check 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 system for loose clamps, broken hangers, or cracks in the piping. Tighten or replace any faulty components. If the issue persists, consult a professional to diagnose and repair the problem.
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 properly installed and free of leaks. Use high-quality components and consider upgrading to a performance-oriented exhaust for better airflow. Regularly clean the system to prevent buildup and maintain efficiency. Pairing the exhaust with a tuned engine management system can further enhance 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.
Subaru Impreza Exhaust System Service Manual
Coming SoonThis manual provides detailed instructions for installing, maintaining, and troubleshooting the exhaust system for 2017-Present Subaru Impreza models.
Technical Service Bulletin: Exhaust System Updates
Coming SoonThis bulletin outlines recent updates and improvements to the exhaust system for 2017-Present Subaru Impreza models, including compatibility notes and installation tips.
Subaru Impreza Exhaust Parts and Accessories Guide
Coming SoonThis guide lists all available exhaust system components and accessories for 2017-Present Subaru Impreza models, including part numbers and compatibility details.
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Technical Information
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