Subaru Subaru Forester 2014-2018 Exhaust Specifications
Explore the comprehensive exhaust system specifications for the 2014-2018 Subaru Forester. Learn about catalytic converters, mufflers, pipes, and sensors for repairs, upgrades, or maintenance. Perfect for mechanics and owners.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system of the 2014-2018 Subaru Forester. 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 major sections, each focusing on a specific aspect of the exhaust system.
How to Use
Use the search functionality to locate specific terms or components within the document. Enter keywords such as 'catalytic converter' or 'muffler' to find relevant sections quickly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is clearly labeled and contains subsections with detailed information.
Key Specifications
Exhaust Diameter
2.25 inches
Catalytic Converter Type
Three-way catalytic
Muffler Material
Stainless steel
Emission Compliance
Tier 2 Bin 5
Warranty Coverage
8 years/80,000 miles
Available Specifications
Exhaust System Components
This section covers the primary components of the exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Each component is described in detail, along with its function and importance in the overall system.
Exhaust System Components
This section covers the primary components of the exhaust system, including the exhaust manifold, catalytic converter, muffler, and tailpipe. Each component is described in detail, along with its function and importance in the overall system.
Exhaust Manifold
- Collects exhaust gases from the engine cylinders
- Made of cast iron or stainless steel for durability
- Designed to withstand high temperatures
- Connects to the catalytic converter
Catalytic Converter
- Reduces harmful emissions by converting pollutants into less harmful gases
- Contains a honeycomb structure coated with catalysts
- Requires periodic inspection for clogging or damage
- Complies with emission standards
Muffler
- Reduces noise produced by the exhaust system
- Contains baffles and sound-absorbing materials
- Available in various designs for performance and sound tuning
- Prone to rust and corrosion over time
Performance and Efficiency
This section discusses the performance characteristics of the exhaust system, including backpressure, flow efficiency, and its impact on engine performance. It also covers how the system contributes to fuel efficiency and emission control.
Performance and Efficiency
This section discusses the performance characteristics of the exhaust system, including backpressure, flow efficiency, and its impact on engine performance. It also covers how the system contributes to fuel efficiency and emission control.
Backpressure and Flow
- Optimal backpressure ensures efficient exhaust gas flow
- High backpressure can reduce engine performance
- Designed to balance flow and noise reduction
- Aftermarket systems may offer improved flow
Fuel Efficiency
- Efficient exhaust systems contribute to better fuel economy
- Reduced backpressure improves engine efficiency
- Catalytic converter plays a key role in emission control
- Regular maintenance ensures optimal performance
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and troubleshooting common issues. It includes tips for inspection, cleaning, and replacing components, as well as identifying signs of wear or damage.
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and troubleshooting common issues. It includes tips for inspection, cleaning, and replacing components, as well as identifying signs of wear or damage.
Inspection and Cleaning
- Inspect the exhaust system for rust, cracks, or leaks
- Clean components regularly to prevent buildup
- Check for loose or damaged hangers and brackets
- Use appropriate cleaning agents for metal surfaces
Common Issues
- Rust and corrosion are common in older systems
- Excessive noise may indicate a damaged muffler
- Reduced performance could signal a clogged catalytic converter
- Leaks can cause exhaust fumes to enter the cabin
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Component Specifications
Overview
- Type
- cat-back
- Configuration
- dual exit
- Platform
- 2014-2018 Subaru Forester
- Material
- stainless steel
- Location
- rear undercarriage
Dimensions
- Overall Length
- 72 inches (182.88 cm)
- Pipe Diameter
- 2.5 inches (6.35 cm)
- Muffler Length
- 24 inches (60.96 cm)
- Tailpipe Length
- 18 inches (45.72 cm)
- Tailpipe Diameter
- 3 inches (7.62 cm)
- Hanger Spacing
- 12 inches (30.48 cm)
- Ground Clearance
- 8 inches (20.32 cm)
Materials
- Piping
- 409 stainless steel
- Muffler
- 304 stainless steel
- Tailpipe
- 304 stainless steel
- Hangers
- carbon steel
- Gaskets
- graphite composite
Features
- Performance
-
- reduced backpressure
- improved exhaust flow
- enhanced horsepower
- optimized torque
- Design
-
- polished finish
- dual exit configuration
- mandrel-bent piping
- sleek muffler design
- installation
-
- bolt-on design
- direct fitment
- includes all hardware
- clear installation instructions
- Durability
-
- corrosion-resistant materials
- high-temperature tolerance
- impact-resistant construction
- longevity guarantee
- Sound
-
- deep tone
- minimal drone
- adjustable sound levels
- street-legal decibel levels
Safety Features
- Heat Management
-
- heat shields included
- thermal insulation
- safe ground clearance
- Structural integrity
-
- reinforced hangers
- vibration dampening
- crash-resistant design
- Emissions Compliance
-
- meets EPA standards
- CARB compliant
- low emissions output
Comfort Features
- Noise Reduction
-
- acoustic dampening
- minimal cabin resonance
- smooth exhaust flow
- Ride Quality
-
- vibration elimination
- stable mounting
- smooth acceleration
- Aesthetic Appeal
-
- polished finish
- sleek design
- tailpipe accents
Accessories
- Performance Upgrades
-
- high-flow catalytic converter
- performance headers
- tuner module
- Maintenance
-
- exhaust sealant
- cleaning kit
- replacement gaskets
- Cosmetic
-
- tailpipe tips
- heat shield covers
- custom badges
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- inspect for leaks
- check hangers and mounts
- clean exterior surfaces
- inspect gaskets and seals
- test exhaust flow
- check for corrosion
- Maintenance Notes
- Regular cleaning and inspection can extend the life of the exhaust system.
Warranty
- Parts Warranty
- Miles: 60,000Years: 5Coverage: defects in materials and workmanship
- Corrosion Warranty
- Miles: unlimitedYears: 10Coverage: rust-through corrosion
- Performance Warranty
- Miles: 30,000Years: 3Coverage: performance guarantees
- installation Warranty
- Miles: 12,000Years: 1Coverage: installation defects
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- laser cutting
- mandrel bending
- TIG welding
- automated assembly
- Quality Control
- inspection: 100% inspection of weldsTesting: pressure and flow testingCertification: ISO 9001 certified
- Sustainability Practices
-
- recycled materials
- energy-efficient manufacturing
- waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%Lead Time: 2 weeks
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- inspect for leaks
- check hangers and mounts
- clean exterior surfaces
- inspect gaskets and seals
- test exhaust flow
- check for corrosion
Regular cleaning and inspection can extend the life of the exhaust system.
- replace gaskets and seals
- inspect and tighten all connections
- check for heat damage
- perform emissions test
- inspect catalytic converter
Use only OEM or equivalent parts for replacements.
- inspect entire system for wear
- replace muffler if necessary
- check for structural integrity
- perform full emissions test
- replace catalytic converter if needed
Major service may require professional tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the exhaust system compatible with all 2014-2018 Subaru Forester models?
Is the exhaust system compatible with all 2014-2018 Subaru Forester models?
The exhaust system is designed to be compatible with all 2014-2018 Subaru Forester models, including both naturally aspirated and turbocharged variants. It adheres to OEM specifications, ensuring proper fitment and performance. However, slight variations may exist based on trim levels or regional emissions standards. Always verify compatibility with your specific vehicle VIN or consult a Subaru dealership for confirmation.
Q2 What maintenance is required for the exhaust system?
What maintenance is required for the exhaust system?
Regular inspection of the exhaust system is recommended every 12,000 miles or annually. Check for rust, cracks, or loose components, especially in harsh climates. Ensure gaskets and hangers are intact. Cleaning the system with a mild detergent can prevent corrosion. Replace worn-out parts promptly to maintain performance and prevent leaks, which can affect engine efficiency and emissions.
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 using jack stands. Remove the old system by detaching bolts, clamps, and hangers. Clean the mounting surfaces and install new gaskets. Align the new exhaust system, ensuring proper fitment, and secure it with bolts and clamps. Tighten all connections to the manufacturer’s torque specifications. Test for leaks before lowering the vehicle.
Q4 What should I do if I notice excessive noise or reduced performance?
What should I do if I notice excessive noise or reduced performance?
Excessive noise or reduced performance may indicate a leak, blockage, or damaged component. Inspect the exhaust system for cracks, loose connections, or rust. Check the catalytic converter and muffler for blockages. Use a smoke test to identify leaks. Replace damaged parts or tighten connections as needed. If issues persist, consult a professional mechanic for further diagnosis.
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 blockages. Upgrading to a high-flow catalytic converter or performance muffler can improve airflow and power output. Regularly clean the system to prevent corrosion. Use heat-resistant coatings to reduce thermal stress. Proper tuning of the engine’s air-fuel ratio can also enhance exhaust efficiency and overall 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.
2014-2018 Subaru Forester Service Manual
Coming SoonThis manual provides detailed instructions for servicing the exhaust system, including removal, installation, and troubleshooting procedures.
Subaru Technical Service Bulletin: Exhaust System Updates
Coming SoonThis bulletin outlines updates and common issues related to the exhaust system for 2014-2018 Subaru Forester models.
Subaru Forester Exhaust Parts Catalog
Coming SoonThis catalog lists all exhaust components available for the 2014-2018 Subaru Forester, including OEM and aftermarket options.
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Technical Information
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