Lexus NX 2015-2021 Exhaust Specifications
Explore the complete exhaust system specifications for the 2015-2021 Lexus NX, including parts, dimensions, and compatibility. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the exhaust system of the 2015-2021 Lexus NX. It is designed to assist users in understanding the components, performance, and maintenance of the exhaust system. Use the search functionality to locate specific terms or navigate through the sections to explore detailed information about the exhaust system's design, materials, and performance.
How to Use
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Key Specifications
Exhaust Diameter
2.5 inches
Muffler Weight
12.5 lbs
Catalytic Converter Lifespan
100,000 miles
Noise Level
72 dB at idle
Emissions Compliance
Euro 6 / EPA Tier 3
Available Specifications
Exhaust System Design
This section covers the design and layout of the exhaust system in the 2015-2021 Lexus NX. It includes details about the placement of components, materials used, and the overall structure of the system.
Exhaust System Design
This section covers the design and layout of the exhaust system in the 2015-2021 Lexus NX. It includes details about the placement of components, materials used, and the overall structure of the system.
Component Layout
- Dual exhaust system for improved performance
- Stainless steel construction for durability
- Rear-mounted muffler for noise reduction
- Catalytic converter integrated into the exhaust manifold
- Oxygen sensors placed before and after the catalytic converter
- Flexible pipe connections to reduce vibration
Material Specifications
- High-grade stainless steel for corrosion resistance
- Aluminized steel for heat resistance
- Heat shields to protect surrounding components
- Rubber hangers for vibration isolation
- Ceramic-coated exhaust tips for aesthetics
- Reinforced welds for structural integrity
Performance and Emissions
This section focuses on the performance characteristics of the exhaust system, including its role in emissions control, noise reduction, and overall vehicle efficiency.
Performance and Emissions
This section focuses on the performance characteristics of the exhaust system, including its role in emissions control, noise reduction, and overall vehicle efficiency.
Emissions Control
- Meets Euro 6 and EPA Tier 3 emissions standards
- Dual catalytic converters for reduced emissions
- Integrated oxygen sensors for precise air-fuel ratio control
- Exhaust gas recirculation (EGR) system for NOx reduction
- Particulate filter for diesel models
- Onboard diagnostics (OBD) for emissions monitoring
Noise Reduction
- Tuned muffler for optimal sound dampening
- Resonator to eliminate specific frequencies
- Acoustic insulation around the exhaust system
- Active noise cancellation in hybrid models
- Exhaust tip design to minimize drone
- Vibration-dampening mounts for quieter operation
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and troubleshooting common issues. It includes tips for inspection, cleaning, and repair.
Maintenance and Troubleshooting
This section provides guidance on maintaining the exhaust system and troubleshooting common issues. It includes tips for inspection, cleaning, and repair.
Routine Maintenance
- Inspect exhaust system every 12,000 miles
- Check for rust or corrosion on pipes and muffler
- Ensure all hangers and mounts are secure
- Clean exhaust tips regularly to prevent buildup
- Replace oxygen sensors every 60,000 miles
- Monitor for unusual noises or vibrations
Common Issues
- Rust or corrosion in high-humidity areas
- Cracked or damaged exhaust manifolds
- Loose or broken hangers causing rattling
- Failed oxygen sensors triggering check engine light
- Clogged catalytic converter reducing performance
- Exhaust leaks causing noise and emissions issues
Search Specifications
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Split rear exit
- Platform
- Lexus NX 200t, NX 300, NX 300h
- Material
- Stainless steel
- Location
- Underbody, rear-mounted
Dimensions
- Pipe Diameter
- 2.5 inches (63.5 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
- Tailpipe Tips
- Polished stainless steel
- Gaskets
- Graphite-reinforced composite
- Hangers
- Rubber with steel core
Features
- Performance
-
- Optimized backpressure for turbocharged engines
- Reduced exhaust gas temperature
- Enhanced airflow efficiency
- Acoustics
-
- Tuned muffler for refined sound
- Noise-canceling chambers
- Minimized drone at highway speeds
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Vibration-dampening hangers
- Design
-
- Polished tailpipe tips
- Integrated heat shields
- Aerodynamic underbody placement
- Emissions
-
- Compliant with Euro 6 and EPA Tier 3 standards
- Integrated catalytic converter
- Oxygen sensor compatibility
Safety Features
- Heat Management
-
- Heat shields for underbody protection
- Thermal insulation for nearby components
- Structural integrity
-
- Reinforced hangers
- Crush-resistant muffler design
- Emissions Control
-
- Catalytic converter integration
- Oxygen sensor monitoring
Comfort Features
- Noise Reduction
-
- Tuned muffler design
- Sound-deadening materials
- Vibration Control
-
- Rubber-mounted hangers
- Flexible pipe joints
- Thermal Management
-
- Heat shields for cabin comfort
- Insulated exhaust pipes
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Aftermarket exhaust tips
- Performance mufflers
- Maintenance Tools
-
- Exhaust hanger removal tool
- Gasket replacement kit
- Oxygen sensor socket
- Protective Gear
-
- Heat-resistant gloves
- Exhaust wrap for thermal protection
- Underbody rust inhibitor
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks or cracks
- Check hanger integrity
- Clean tailpipe tips
- Inspect catalytic converter
- Test oxygen sensors
- Maintenance Notes
- Avoid harsh chemicals on polished tips. Use OEM gaskets for replacements.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Defects in materials or workmanship
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Catalytic converter and oxygen sensors
- Corrosion Warranty
- Miles: UnlimitedYears: 6Coverage: Perforation due to rust
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional extended coverage for exhaust components
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Laser-cut stainless steel pipes
- Robotic welding for precision
- Automated quality inspection
- Quality Control
- Pressure Testing: Ensures no leaksThermal Testing: Verifies heat resistanceAcoustic Testing: Validates sound levels
- Sustainability Practices
-
- Recycled stainless steel usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 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 hanger and bracket integrity
- Clean tailpipe tips
- Inspect catalytic converter
- Test oxygen sensor functionality
Use OEM parts for replacements to maintain warranty.
- Replace exhaust gaskets
- Inspect heat shields for damage
- Check for corrosion on pipes
- Test backpressure levels
- Verify muffler integrity
Special tools may be required for gasket replacement.
- Replace catalytic converter if needed
- Inspect and replace oxygen sensors
- Check entire system for alignment
- Perform acoustic and thermal tests
- Replace worn hangers and brackets
Major service may require professional equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with all 2015-2021 Lexus NX models?
Is this exhaust system compatible with all 2015-2021 Lexus NX models?
This exhaust system is designed to be compatible with all 2015-2021 Lexus NX models, including both the NX 200t and NX 300h variants. It is engineered to fit seamlessly with the factory mounting points and exhaust routing. However, slight modifications may be required for certain trims or aftermarket modifications. Always verify compatibility with your specific vehicle configuration 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 12 months or 12,000 miles. Ensure all mounting brackets and hangers are secure. Clean the exhaust tips to prevent buildup. For optimal performance, check the catalytic converter and oxygen sensors during routine service. Avoid harsh driving conditions that may accelerate wear and tear.
Q3 How do I install or replace the exhaust system on my Lexus NX?
How do I install or replace the exhaust system on my Lexus NX?
To install or replace the exhaust system, first, lift the vehicle securely using a jack and stands. Remove the old exhaust by detaching the mounting brackets and cutting or unbolting the pipes. Align the new exhaust system with the factory mounting points and secure it using the provided hardware. Ensure all connections are tight and leak-free. Test the system 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 exhaust hangers, brackets, and connections for tightness. Check for holes or cracks in the pipes or muffler. If the issue persists, consult a professional mechanic to diagnose and repair the problem to avoid further damage.
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. Use high-quality components and maintain proper alignment. Consider upgrading to a performance exhaust system for improved airflow and horsepower. Regularly inspect and clean the system to prevent buildup. Avoid excessive idling and aggressive driving, which can strain the exhaust components.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Lexus NX Exhaust System Service Manual
Coming SoonDetailed guide covering installation, maintenance, and troubleshooting for the 2015-2021 Lexus NX exhaust system.
Technical Service Bulletin: Exhaust System Updates
Coming SoonLatest updates and fixes for common exhaust system issues in the 2015-2021 Lexus NX models.
Lexus NX Exhaust Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket exhaust parts for the 2015-2021 Lexus NX.
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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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