Lexus GS 1997-2004 Exhaust Specifications
Comprehensive exhaust specifications for the Lexus GS from 1997 to 2004. This document details exhaust system components, dimensions, materials, and emissions data assisting in maintenance, repair, and potential upgrades. Find crucial information for technicians, owners, and enthusiasts to ensure proper vehicle function and compliance with emission standards.
1997-2004 Lexus GS Exhaust Specifications Specifications
This document provides detailed specifications for the exhaust systems of the 1997-2004 Lexus GS. It covers key components, emissions data, and technical details. Information is presented in a structured format for easy navigation and reference. Specific models and engine variations may have slight differences, so be sure to verify against your specific vehicle.
How to Use
Use the search bar at the top of the page to quickly find specific terms or components related to your exhaust system.
Navigate through the sections by clicking on the major headings. Subsections within each section provide more detailed information. Refer to the Quick Reference section for key specifications at a glance.
Key Specifications
Catalytic Converter Weight
10 lbs
Muffler Length
24 inches
Tailpipe Diameter
2.5 inches
CO Emissions (g/km)
1.2
HC Emissions (g/km)
0.8
Available Specifications
Exhaust System Components
This section details the major components of the exhaust system, from the catalytic converter to the tailpipes. It includes descriptions and locations for each component.
Exhaust System Components
This section details the major components of the exhaust system, from the catalytic converter to the tailpipes. It includes descriptions and locations for each component.
Catalytic Converter
- The catalytic converter is designed to reduce harmful emissions.
- Placement: Located between the engine and the muffler.
- Material: Typically made of platinum, palladium, and rhodium.
- Warranty: Check your vehicle maintenance records for warranty information.
- Emissions Standards: Meets EPA regulations for the model year.
Muffer
- Reduces noise levels from the exhaust.
- Material: Typically made of steel or other heat-resistant alloys.
- Placement: Located after the catalytic converter.
- Types: Various muffler designs may be used.
Tailpipes
- Direct exhaust gases to the exterior of the vehicle.
- Material: Stainless steel for durability.
- Placement: Variable depending on model.
- Design: May feature various bends and curves.
Emissions Data
This section outlines the emissions standards met by the 1997-2004 Lexus GS exhaust systems. Information is presented in standardized units.
Emissions Data
This section outlines the emissions standards met by the 1997-2004 Lexus GS exhaust systems. Information is presented in standardized units.
Emissions Standards
- Meets EPA standards for the model year.
- Specific emissions data varies by model and engine.
- Refer to your owner's manual for exact figures.
- Maintenance schedules are important for optimal emissions performance.
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Component Specifications
Overview
- Type
- Dual
- Configuration
- Cat-Back
- Platform
- GS300/GS400
- Material
- Stainless Steel
- Location
- Rear
Dimensions
- Length Front To Rear
- 60 inches (152 cm)
- Diameter Main Pipe
- 2.5 inches (6.4 cm)
- Diameter Muffler
- 4 inches (10 cm)
- Overall Width
- 18 inches (46 cm)
- Height Max
- 12 inches (30 cm)
- Pipe Wall Thickness
- 0.1 inches (0.3 cm)
- Muffler Length
- 24 inches (61 cm)
- Resonator Length
- 18 inches (46 cm)
Materials
- Exhaust Pipes
- Stainless Steel 304
- Mufflers
- Stainless Steel 304
- Catalytic Converters
- High-temperature ceramic
- Brackets
- Steel
Features
- Performance
-
- Improved sound quality
- Enhanced exhaust flow
- Increased horsepower (estimated)
- Decreased backpressure
- Design
-
- Sleek design
- Durable construction
- Customizable options (optional)
- Materials
-
- High-quality stainless steel
- Durable welds
- Resistant to corrosion
- Fitment
-
- Perfect fit for the vehicle
- Easy installation
- No modifications required (Generally)
- Noise Reduction
-
- Optimized muffler design
- Noise reduction
- Reduced exhaust noise
Safety Features
- Emissions Compliance
- Meets EPA standards
- Structural integrity
- High-strength materials
- Safety Warnings
-
- Do not touch hot exhaust components
- Follow installation instructions carefully
Comfort Features
- Noise Level
- Reduced noise compared to stock system
- Sound Quality
- Enhanced sound
- Feel
- Improved responsiveness
- Aesthetic Appeal
- Improved aesthetics
Accessories
- Hardware
-
- Clamps
- Bolts
- Wrench Set
- Gaskets
- Options
-
- Resonators
- Performance tips
- Exhaust hangers
- Other
-
- Installation guide/manual
- Warranty information
Maintenance
- Service interval
- Every 30,000 miles (or 2 years)
- Service Items
-
- Visual inspection of exhaust system
- Check for leaks
- Clean catalytic converters
- Inspect mounting hardware
- Lubricate joints (if applicable)
- Maintenance Notes
- Regular maintenance can prevent significant exhaust system issues.
Warranty
- Manufacturer Warranty
- Duration: 3 years/36,000 milesCoverage: Material defects and workmanship
- Parts Warranty
- Duration: 2 years/24,000 milesCoverage: Parts failure
- installation Warranty
- Duration: 1 yearCoverage: Installation issues
- Performance Warranty
- Duration: 1 year/12,000 milesCoverage: Performance related defects
Production Details
- Manufacturer
- Toyota
- Manufacturing Process
-
- Welding
- Material Cutting
- Assembly
- Finishing
- Quality Control
- inspection Stages: Raw material inspection, Welding inspection, Leak testingTesting Methods: Visual inspection, Acoustic testing, Pressure testing
- Sustainability Practices
- Uses recycled materials where possible
- Production Metrics
- Production rate is 100 units per day
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Visual inspection of exhaust system
- Check for leaks
- Clean catalytic converters (if applicable)
- Inspect mounting hardware
- Lubricate joints (if applicable)
Ensure proper lubrication and tightening of joints.
- Visual inspection
- Leak check
- Catalytic converter inspection
- Exhaust system alignment check
- Component wear check
Inspect for any signs of significant wear or damage.
- Exhaust system inspection
- Catalytic converter inspection
- Muffler inspection
- Component replacement as needed
- Performance testing
Major service; check for any performance issues.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Technical specification question (e.g., compatibility)
Technical specification question (e.g., compatibility)
Exhaust systems for 1997-2004 Lexus GS models vary by trim and engine. Consult the specific vehicle's repair manual for precise compatibility information. Ensure the exhaust system components (pipes, mufflers, resonators) are compatible with the existing exhaust system and meet emission standards. Match the exhaust system's diameter and flange dimensions with the vehicle's existing parts. Incorrect sizing can lead to leaks, poor performance, and potential damage.
Q2 Maintenance requirement question
Maintenance requirement question
Regular visual inspections of the exhaust system are crucial. Check for leaks, rust, or damage to the exhaust pipes, mufflers, and hangers. Inspect the exhaust system for signs of overheating. Replace worn or damaged exhaust components as needed. This is often part of routine maintenance schedules and should be part of a comprehensive vehicle inspection, especially if the car has been involved in an accident or shows signs of exhaust system issues. Refer to the Lexus owner's manual for specific maintenance guidelines.
Q3 Installation or replacement question
Installation or replacement question
Disconnect the exhaust system components from the vehicle. Ensure all necessary tools are available. Carefully position the new exhaust components, ensuring proper alignment and secure connections. Use appropriate exhaust clamps and fasteners. Ensure the exhaust system is properly secured to prevent vibrations and leaks. Pay close attention to exhaust hanger placement to avoid stress on the system. Consult a qualified mechanic if unsure about any steps.
Q4 Troubleshooting question
Troubleshooting question
Exhaust leaks can be identified by a hissing sound. Check for cracks, holes, or loose connections. If the exhaust system is rattling, examine the hangers and clamps for wear or looseness. If the vehicle is emitting unusual smells (e.g., burning), check for exhaust leaks or damage to the catalytic converter. A malfunctioning catalytic converter can cause a variety of problems. Consult the vehicle's repair manual for a more precise diagnosis.
Q5 Performance optimization question
Performance optimization question
Exhaust modifications can potentially enhance the vehicle's performance. However, this should be considered carefully, as certain modifications may impact the vehicle's emission control system. If the exhaust system is modified, ensure it meets applicable emission standards. Performance gains may be minimal, and improper modifications can negatively affect the vehicle's performance and reliability. Consult a qualified mechanic for advice on any modifications.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1997-2004 Lexus GS Exhaust System Service Manual
Coming SoonComprehensive guide covering all aspects of exhaust system repair and maintenance. Includes detailed diagrams, procedures, and specifications.
Exhaust System Troubleshooting Guide
Coming SoonProvides a quick reference for common exhaust system problems and their solutions.
Lexus GS Exhaust Parts Catalog
Coming SoonDetailed listing of all exhaust parts for 1997-2004 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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