Infiniti G20 1999-2002 Exhaust Specifications
Explore the complete exhaust system specifications for the 1999-2002 Infiniti G20, including pipe sizes, muffler details, and catalytic converter information. Ideal for repairs, maintenance, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system of the 1999-2002 Infiniti G20. It is designed to assist enthusiasts, mechanics, and owners in understanding the components, performance, and maintenance 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 bar to enter keywords like 'muffler,' 'catalytic converter,' or 'exhaust pipe.' Results will highlight relevant sections and subsections for quick access.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Exhaust Pipe Diameter
2.25 inches
Catalytic Converter Type
Three-way catalytic
Muffler Material
Stainless steel
Emissions Standards
EPA Tier 1, CARB LEV
Oxygen Sensors
2 sensors (pre- and post-cat)
Available Specifications
Exhaust System Components
This section covers the primary components of the 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 primary components of the 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.
- Collects exhaust gases from the engine cylinders.
- Directs gases into the exhaust pipe.
- Designed to minimize backpressure for optimal engine performance.
Catalytic Converter
- Reduces harmful emissions by converting pollutants into less harmful gases.
- Contains a ceramic or metallic honeycomb structure coated with catalysts.
- Located between the exhaust manifold and muffler.
- Requires periodic inspection for clogging or damage.
Muffler
- Reduces exhaust noise using sound-dampening materials.
- Constructed from stainless steel or aluminized steel for corrosion resistance.
- Features internal baffles to control gas flow and noise.
- Positioned near the rear of the vehicle.
Performance and Efficiency
Explore how the exhaust system impacts the vehicle's performance, fuel efficiency, and emissions. This section includes details on backpressure, airflow, and tuning options.
Performance and Efficiency
Explore how the exhaust system impacts the vehicle's performance, fuel efficiency, and emissions. This section includes details on backpressure, airflow, and tuning options.
Backpressure and Airflow
- Optimal backpressure ensures efficient engine performance.
- Excessive backpressure can reduce horsepower and fuel efficiency.
- Designed for balanced airflow to support the SR20DE engine.
- Aftermarket systems may offer improved airflow for performance tuning.
Emissions Compliance
- Meets EPA and CARB emissions standards for 1999-2002 models.
- Catalytic converter plays a key role in reducing CO2 and NOx emissions.
- Regular maintenance ensures compliance with environmental regulations.
- Oxygen sensors monitor exhaust gases for optimal combustion.
Maintenance and Troubleshooting
Learn about common maintenance practices and troubleshooting tips for the exhaust system. This section includes inspection schedules, common issues, and repair recommendations.
Maintenance and Troubleshooting
Learn about common maintenance practices and troubleshooting tips for the exhaust system. This section includes inspection schedules, common issues, and repair recommendations.
Inspection and Maintenance
- Inspect exhaust system every 12 months or 12,000 miles.
- Check for rust, cracks, or leaks in pipes and joints.
- Replace gaskets and seals as needed to prevent leaks.
- Ensure proper alignment of exhaust components.
Common Issues
- Rust and corrosion due to exposure to moisture and road salt.
- Loose or damaged hangers causing rattling noises.
- Clogged catalytic converter leading to reduced performance.
- Exhaust leaks causing increased noise and emissions.
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Single pipe split into dual outlets
- Platform
- SR20DE engine platform
- Material
- Stainless steel
- Location
- Rear-mounted
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
- 18 inches (457.2 mm)
- Overall System Length
- 72 inches (1828.8 mm)
Materials
- Exhaust Pipes
- 409 stainless steel
- Muffler Body
- 304 stainless steel
- Tailpipe Tips
- Polished stainless steel
- Gaskets
- Graphite-reinforced composite
- Hangers
- Rubber with steel core
Features
- Performance
-
- Optimized backpressure for SR20DE engine
- Enhanced exhaust flow
- Reduced turbo lag (if applicable)
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Reinforced hanger points
- Sound
-
- Tuned muffler for sporty tone
- Reduced cabin drone
- Compliant with noise regulations
- Design
-
- Dual chrome tailpipe tips
- Sleek, low-profile muffler
- OEM-style fitment
- installation
-
- Direct bolt-on replacement
- Pre-welded sections for easy assembly
- Includes all necessary hardware
Safety Features
- Heat Protection
-
- Heat shields for underbody components
- Thermal wrap on critical sections
- Emissions
-
- Compliant with EPA standards
- O2 sensor compatibility
- Structural integrity
-
- Reinforced welds
- Impact-resistant materials
Comfort Features
- Noise Reduction
-
- Acoustic dampening in muffler
- Resonator for smooth sound
- Vibration Control
-
- Rubber hangers for vibration isolation
- Flexible joints in piping
- Heat Management
-
- Heat-resistant undercoating
- Thermal barriers near cabin
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Performance muffler
- Stainless steel headers
- Maintenance Tools
-
- Exhaust hanger removal tool
- O2 sensor socket
- Exhaust sealant
- Cosmetic Upgrades
-
- Carbon fiber tailpipe tips
- Custom exhaust wraps
- Heat-resistant paint
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks or cracks
- Check hanger integrity
- Clean tailpipe tips
- Inspect heat shields
- Verify O2 sensor function
- Maintenance Notes
- Avoid harsh chemicals on polished surfaces. Use only OEM-recommended gaskets.
Warranty
- Manufacturer Warranty
- Miles: 60,000Years: 5Coverage: Defects in materials and workmanship
- Corrosion Warranty
- Miles: UnlimitedYears: 10Coverage: Perforation due to rust
- Performance Warranty
- Miles: 30,000Years: 2Coverage: Maintains specified backpressure
- installation Warranty
- Miles: 12,000Years: 1Coverage: Proper fitment and function
Production Details
- Manufacturer
- Infiniti Genuine Parts
- Manufacturing Process
-
- Laser-cut piping
- Robotic welding
- Pressure testing
- Final inspection
- Quality Control
- Material Testing: X-ray and ultrasonic testingFitment Checks: OEM vehicle testingPerformance Validation: Dyno testing
- Sustainability Practices
-
- Recycled stainless steel
- Low-emission manufacturing
- Eco-friendly packaging
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Lead Time: 2 weeks
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Inspect exhaust system for leaks
- Check hanger and bracket integrity
- Clean tailpipe tips
- Inspect heat shields for damage
- Verify O2 sensor functionality
Use OEM-recommended gaskets for any replacements.
- Perform full exhaust system inspection
- Replace worn hangers and brackets
- Check catalytic converter efficiency
- Inspect and clean O2 sensors
- Test backpressure levels
Special tools may be required for O2 sensor removal.
- Replace exhaust gaskets
- Inspect and replace heat shields if necessary
- Check for corrosion in piping
- Perform full emissions system test
- Replace O2 sensors if faulty
Critical to address any corrosion issues immediately.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 1999-2002 Infiniti G20 models?
Is this exhaust system compatible with all 1999-2002 Infiniti G20 models?
This exhaust system is designed to be compatible with all 1999-2002 Infiniti G20 models, including both manual and automatic transmissions. It is engineered to fit the factory mounting points and specifications, ensuring a seamless installation. However, it is recommended to verify the specific model and trim level before purchase, as slight variations may exist.
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, especially around the joints and welds. Cleaning the exterior with a mild detergent and water can help prevent corrosion. Additionally, check the hangers and brackets for wear and ensure the system is securely mounted. A professional inspection every 12-18 months is recommended to maintain optimal performance.
Q3 How do I install or replace the exhaust system on my Infiniti G20?
How do I install or replace the exhaust system on my Infiniti G20?
To install or replace the exhaust system, first, safely lift the vehicle using a jack and jack stands. Remove the old exhaust by detaching the hangers, unbolting the connections, and carefully lowering it. Align the new exhaust system, starting from the front, and secure it using the provided hardware. Ensure all connections are tight and 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 from the exhaust system, such as rattling or hissing, may indicate loose components, leaks, or damaged parts. Inspect the system for loose hangers, broken welds, or holes. Tighten any loose bolts and replace damaged sections if necessary. If the issue persists, consult a professional mechanic to diagnose and resolve 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 free of obstructions and leaks. Upgrading to a high-flow catalytic converter or performance muffler can improve exhaust flow and engine efficiency. Regularly check and maintain the system to prevent corrosion and damage. Additionally, pairing the exhaust with a tuned intake system can enhance 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.
Infiniti G20 Service Manual
Coming SoonComprehensive service manual covering all aspects of the 1999-2002 Infiniti G20, including exhaust system maintenance and repair procedures.
Technical Service Bulletin: Exhaust System Updates
Coming SoonLatest updates and fixes for the exhaust system, including common issues and recommended solutions for the 1999-2002 Infiniti G20.
Infiniti G20 Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including exhaust components, for the 1999-2002 Infiniti G20.
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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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