Lexus GS 2012-2020 Exhaust Specifications
Explore the detailed exhaust system specifications for the 2012-2020 Lexus GS models. Learn about pipe diameters, muffler configurations, catalytic converters, and emission standards for repairs, upgrades, and maintenance.
Overview Specifications
This document provides detailed exhaust specifications for the 2012-2020 Lexus GS models. It includes information on exhaust system components, performance characteristics, and maintenance guidelines. Use this guide to understand the technical aspects of the exhaust system, locate specific details, and ensure proper care for optimal performance. The document is organized into sections for easy navigation and includes a quick reference table for key specifications.
How to Use
Use the search function to quickly locate specific terms or components within the document. Enter keywords such as 'muffler,' 'catalytic converter,' or 'exhaust tips' to find relevant sections.
Navigate through the document using the section titles and subsections. Each major section focuses on a specific aspect of the exhaust system, with detailed points listed under each subsection.
Key Specifications
Exhaust Material
Stainless Steel
Catalytic Converter Efficiency
95%+
Exhaust Diameter
2.5-3.0 inches
Sound Level
72-78 dB
Weight
45-55 lbs
Available Specifications
Exhaust System Components
This section covers the primary components of the Lexus GS exhaust system, including the muffler, catalytic converter, exhaust pipes, and tips. Learn about the materials used, design features, and their roles in optimizing performance and emissions.
Exhaust System Components
This section covers the primary components of the Lexus GS exhaust system, including the muffler, catalytic converter, exhaust pipes, and tips. Learn about the materials used, design features, and their roles in optimizing performance and emissions.
Muffler Design and Function
- Stainless steel construction for durability
- Chambered design to reduce noise levels
- Integrated baffles for optimal exhaust flow
- Heat-resistant coatings to prevent corrosion
Catalytic Converter Specifications
- High-efficiency ceramic honeycomb substrate
- Oxygen sensors for precise emissions control
- Heat shields to protect surrounding components
- Compliant with EPA and CARB standards
Exhaust Pipes and Tips
- Dual exhaust system for enhanced performance
- Polished stainless steel tips for aesthetic appeal
- Mandrel-bent pipes for smooth airflow
- Rubber hangers for vibration reduction
Performance Characteristics
Explore the performance aspects of the Lexus GS exhaust system, including horsepower and torque gains, sound profiles, and fuel efficiency improvements. This section highlights how the exhaust system contributes to the vehicle's overall driving experience.
Performance Characteristics
Explore the performance aspects of the Lexus GS exhaust system, including horsepower and torque gains, sound profiles, and fuel efficiency improvements. This section highlights how the exhaust system contributes to the vehicle's overall driving experience.
Horsepower and Torque
- Optimized exhaust flow increases horsepower by up to 5%
- Torque gains of 3-7 lb-ft across the RPM range
- Performance varies by model year and engine type
- Aftermarket upgrades can further enhance output
Exhaust Sound Profile
- Tuned for a refined, sporty exhaust note
- Active exhaust valves in F Sport models
- Minimal drone at highway speeds
- Customizable sound with aftermarket options
Fuel Efficiency
- Reduced backpressure improves fuel economy
- EPA-estimated mileage improvements of 1-2 MPG
- Lightweight materials reduce overall vehicle weight
- Efficient catalytic converter reduces emissions
Maintenance and Care
This section provides guidelines for maintaining the Lexus GS exhaust system. Learn about common issues, inspection intervals, and tips for extending the lifespan of your exhaust components.
Maintenance and Care
This section provides guidelines for maintaining the Lexus GS exhaust system. Learn about common issues, inspection intervals, and tips for extending the lifespan of your exhaust components.
Inspection and Cleaning
- Inspect exhaust system every 12,000 miles
- Check for rust, cracks, and loose connections
- Clean exhaust tips with non-abrasive cleaners
- Ensure proper alignment of exhaust components
Common Issues and Solutions
- Rust prevention with regular undercarriage washes
- Replacing worn rubber hangers to reduce noise
- Addressing exhaust leaks promptly
- Using OEM parts for replacements
Warranty and Repairs
- Factory warranty covers exhaust components for 5 years/60,000 miles
- Extended warranties available for aftermarket systems
- Authorized service centers for repairs
- Document all maintenance for warranty claims
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Split rear exit
- Platform
- GS 350, GS 450h, GS F
- Material
- Stainless steel
- Location
- Underbody, rear
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
- 3.5 inches (88.9 mm)
- Tailpipe Length
- 12 inches (304.8 mm)
- Total System Length
- 96 inches (2438.4 mm)
Materials
- Pipes
- Stainless steel with corrosion-resistant coating
- Muffler
- Stainless steel with sound-dampening insulation
- Catalytic Converter
- Ceramic substrate with platinum coating
- Hangers
- Reinforced rubber with steel brackets
Features
- Performance
-
- Optimized flow design
- Reduced backpressure
- Enhanced exhaust scavenging
- Sound
-
- Tuned exhaust note
- Active sound control (GS F)
- Quiet cabin mode (GS 450h)
- Durability
-
- Corrosion-resistant materials
- Heat-resistant coatings
- Vibration-dampening mounts
- Emissions
-
- Dual catalytic converters
- Oxygen sensor integration
- Compliant with Euro 6 standards
- Aesthetics
-
- Polished tailpipe tips
- Integrated rear diffuser design
- Brand-specific exhaust finishers
Safety Features
- Heat Management
-
- Heat shields for underbody protection
- Thermal insulation for cabin safety
- Structural integrity
-
- Reinforced hangers
- Crash-resistant mounting points
- Emissions Control
-
- OBD-II compliant monitoring
- Fail-safe mode for sensor errors
Comfort Features
- Noise Reduction
-
- Multi-chamber muffler design
- Active noise cancellation (GS 450h)
- Vibration Control
-
- Rubber isolators
- Flexible pipe joints
- Temperature Management
-
- Heat-resistant underbody panels
- Cooling fins on muffler
Accessories
- Performance Upgrades
-
- Sport exhaust systems
- High-flow catalytic converters
- Custom tailpipe tips
- Maintenance Tools
-
- Exhaust hanger removal tool
- Oxygen sensor socket
- Exhaust sealant
- Protective Gear
-
- Exhaust wrap
- Heat shield protectors
- Corrosion-resistant spray
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for leaks
- Check hanger integrity
- Clean tailpipe tips
- Test oxygen sensors
- Inspect catalytic converter
- Maintenance Notes
- Avoid harsh chemicals on polished surfaces
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Manufacturing defects
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Perforation due to rust
- Extended
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Toyota Motor Corporation
- Manufacturing Process
-
- Laser-cut piping
- Robotic welding
- Pressure testing
- Quality Control
- inspection: 100% leak testingTolerances: ±0.5mm pipe alignment
- Sustainability Practices
-
- Recycled stainless steel
- Low-emission manufacturing
- Eco-friendly packaging
- Production Metrics
- Daily Output: 500 unitsDefect Rate: 0.01%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 hanger and bracket integrity
- Clean and polish tailpipe tips
- Test oxygen sensor functionality
- Inspect catalytic converter condition
Use OEM-approved cleaning products
- Perform full exhaust system inspection
- Replace worn hangers and brackets
- Check and tighten all connections
- Test exhaust backpressure
- Inspect heat shields for damage
Requires lift or pit for full inspection
- Replace oxygen sensors
- Inspect and clean catalytic converter
- Check for corrosion and rust
- Perform exhaust gas analysis
- Replace gaskets and seals
Critical to maintain emissions compliance
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the exhaust system compatible with all 2012-2020 Lexus GS models?
Is the exhaust system compatible with all 2012-2020 Lexus GS models?
The exhaust system is designed to be compatible with all 2012-2020 Lexus GS models, including the GS 350, GS 450h, and GS F. However, slight variations may exist between trims due to engine configurations. Always verify the specific model and trim before purchasing. The system is engineered to meet OEM specifications, ensuring proper fitment and performance.
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 connections and hangers are secure. Cleaning the exterior with mild soap and water can prevent corrosion. Avoid harsh chemicals. 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 a Lexus GS?
How do I install or replace the exhaust system on a Lexus GS?
To install or replace the exhaust system, first, lift the vehicle securely using a jack stand. Remove the old exhaust by detaching the clamps, hangers, and bolts. Align the new exhaust system, ensuring proper fitment, and secure it using the provided hardware. Tighten all connections and check for leaks. A professional installation is recommended for optimal results.
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 visible damage or loose hangers. Tighten connections and replace damaged parts 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. Use high-quality components designed for your specific Lexus GS model. Regularly inspect and maintain the system. Consider upgrading to a performance exhaust system for improved airflow and horsepower. Always follow manufacturer guidelines for installation and maintenance.
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 GS Exhaust System Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the exhaust system for 2012-2020 Lexus GS models.
Technical Service Bulletin: Exhaust System Updates
Coming SoonThis bulletin outlines updates and improvements to the exhaust system for 2012-2020 Lexus GS models.
Lexus GS Exhaust Parts Catalog
Coming SoonA comprehensive catalog of exhaust system parts and accessories for 2012-2020 Lexus GS 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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