Lexus GS 1993-1996 Exhaust Specifications
Lexus GS 1993-1996

Lexus GS 1993-1996 Exhaust Specifications

Comprehensive exhaust specifications for the 1993-1996 Lexus GS, covering pipe sizes, catalytic converter details, and muffler dimensions. Ideal for maintenance, repairs, and performance upgrades. Includes diagrams and tables for easy reference.

Updated

1993-1996 Lexus GS Exhaust Specifications Specifications

This document provides a comprehensive overview of the exhaust system specifications for the 1993-1996 Lexus GS. It details various aspects of the exhaust, including its components, materials, and performance characteristics. Information is presented in a structured format for easy navigation and reference. The sections cover key components, emissions data, and overall specifications. This document is intended for technicians, mechanics, and enthusiasts seeking detailed information on the exhaust system.

How to Use

Use the search function to locate specific terms or components within the document. Enter keywords related to the exhaust system (e.g., catalytic converter, muffler, emissions) to quickly find the relevant information.

Navigate through the sections using the provided table of contents. Each section focuses on a specific aspect of the exhaust system. Use the subsections to drill down to more detailed points for specific information.

Key Specifications

Catalytic Converter Material

Platinum, Palladium, Rhodium

Muffler Material

Steel

EPA Emission Standard

Refer to EPA documentation

Exhaust Pipe Diameter

Dependent on model

Emissions Testing Procedure

Specific to 1993-1996 Lexus GS

Available Specifications

Exhaust System Components

This section details the individual components of the exhaust system for the 1993-1996 Lexus GS. It includes information on the types of materials used and their respective locations within the system.

Catalytic Converter
  • Catalytic converters are typically three-way, reducing harmful emissions.
  • Materials used are platinum, palladium, and rhodium.
  • Placement: Located between the engine and the muffler.
  • Specifications: Vary based on specific model and trim level.
Muffler
  • Mufflers reduce noise levels and optimize exhaust flow.
  • Materials: Commonly made of steel.
  • Placement: Located after the catalytic converter.
  • Design: Dependant on the model year of the vehicle.
Pipes and Connections
  • Exhaust piping material is typically stainless steel.
  • Various pipe diameters are used for optimal performance.
  • Connections are designed to withstand high temperatures and vibrations.
  • Specific dimensions vary depending on model year.

Emissions Specifications

This section provides detailed emission control specifications for the 1993-1996 Lexus GS. These standards are crucial for compliance with environmental regulations.

Tailpipe Emissions
  • EPA-mandated exhaust emission standards are applicable.
  • Specific values vary by model.
  • Refer to EPA documentation for precise values.
  • Emissions testing procedures followed the relevant standards.

Component Specifications

Overview

Type
Dual
Configuration
Cat-Back
Platform
GS300/GS400
Material
Stainless Steel
Location
Rear

Dimensions

Length Total
72 inches (183 cm)
Diameter Primary Pipe
2.5 inches (6.4 cm)
Diameter Muffler
4 inches (10.2 cm)
Width System
18 inches (46 cm)
Height System
12 inches (30 cm)
Weight System
50 lbs (23 kg)
Backpressure
1.5 psi (10 kPa)
Pipe Wall Thickness
0.1 inches (0.25 cm)

Materials

Pipes
Stainless Steel 304
Mufflers
Stainless Steel 304
Catalytic Converters
Platinum / Rhodium coated steel
Brackets
Steel/Aluminum

Features

Performance
  • Improved horsepower
  • Enhanced acceleration
  • Lower exhaust note
  • Optimized flow
Design
  • Sleek design
  • Modern aesthetic
  • Custom fit
  • Durable finish
Durability
  • High-temperature resistance
  • Corrosion resistance
  • Long-lasting performance
  • Strong construction
Sound
  • Customizable exhaust note
  • Balanced sound output
  • Quiet operation
  • Aggressive tone
Safety
  • Reduced back pressure
  • Optimized flow for engine safety

Safety Features

Emission Compliance
Meets Federal Emission Standards
Structural integrity
  • Robust construction
  • High tensile strength
Fire Resistance
Material resistant to high temperatures

Comfort Features

Noise Reduction
Minimized interior noise
Vibration Dampening
Optimized vibration dampening
Smooth Operation
Quiet and smooth operation
Sound Tuning
Optimized sound tuning

Accessories

Hardware
  • Welding clamps
  • Bolts and nuts
  • Hangers
  • Exhaust clamps
Optional Accessories
  • Exhaust tips
  • Performance mufflers
  • Resonators
Additional Parts
  • Gaskets
  • O-rings

Maintenance

Service interval
Every 30,000 miles / 2 years
Service Items
  • Visual inspection
  • Cleaning
  • Leak check
  • Alignment check
  • Component inspection
  • Replace gaskets/O-rings if needed
Maintenance Notes
Inspect for cracks, corrosion, or damage. Clean exhaust system to ensure optimal performance.

Warranty

Manufacturer Warranty
Duration: 3 years/36,000 miles
Coverage: Material and workmanship defects
Terms: Warranty is transferable with proof of ownership.
Parts Warranty
Duration: 12 months/unlimited miles
Coverage: Exhaust parts
Terms: Covers defects in parts.
Corrosion Warranty
Duration: Unlimited miles/Lifetime
Coverage: Against rust and corrosion
Terms: Coverage for defects in material against corrosion.
Performance Warranty
Duration: 12 months/12,000 miles
Coverage: Performance defects
Terms: Covers diminished performance issues.

Production Details

Manufacturer
Toyota
Manufacturing Process
  • Material Cutting
  • Welding
  • Assembly
  • Quality Checks
Quality Control
inspection Points: Material quality, Welding integrity, Fit and finish
Testing Methods: Leak testing, Performance testing
Sustainability Practices
Materials sourced from sustainable sources where possible
Production Metrics
Average production rate of 10 systems per hour

Service Information for exhaust Service

Maintenance and service requirements specific to this component

30,000 miles
2 years
  • Visual inspection for leaks or damage
  • Perform a leak test of the entire exhaust system
  • Replace any damaged components
  • Clean the exhaust system

Important to perform inspection for any exhaust system damage.

60,000 miles
4 years
  • Inspect catalytic converters
  • Check exhaust hangers
  • Verify proper exhaust alignment
  • Check exhaust for any corrosion

Ensure proper exhaust alignment and perform any necessary repairs.

100,000 miles
6 years
  • Replace catalytic converters
  • Overhaul the exhaust system
  • Performance testing
  • Evaluate overall exhaust system condition

Major service interval, critical to evaluate overall exhaust system and perform necessary repairs.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Technical specification question (e.g., compatibility)

Exhaust systems for 1993-1996 Lexus GS models vary based on trim level and specific engine type. Consult your owner's manual or a compatible parts catalog for precise specifications. Ensure the exhaust system you are considering is designed for the exact model year and engine of your GS. Compatibility with aftermarket components may vary, so always verify fitment with the manufacturer before purchasing.

Q2

Maintenance requirement question

Regular inspection of exhaust components is critical. Visually inspect for leaks, damage, or corrosion every 3,000 miles. Replace worn or damaged parts promptly. Ensure proper exhaust system alignment to prevent damage to other components. Consult your owner's manual for detailed maintenance schedules specific to your GS model.

Q3

Installation or replacement question

Proper exhaust system installation requires specialized tools and knowledge. Consult a qualified mechanic for installation or replacement. Ensure proper clamping, sealing, and alignment of components. Follow manufacturer instructions carefully to avoid potential damage to the exhaust system or vehicle.

Q4

Troubleshooting question

Exhaust system issues can include leaks, rattling noises, or poor performance. Check for loose or damaged connections. Inspect for signs of corrosion or damage to the exhaust pipes. If the problem persists, consult a qualified mechanic for diagnosis and repair. Ensure proper exhaust system operation to prevent damage to catalytic converters.

Q5

Performance optimization question

Exhaust system modifications can potentially impact performance, but should be undertaken with caution. Consult with a qualified mechanic before making any modifications to your exhaust system. Unnecessary modification can reduce fuel efficiency and potentially damage other 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 GS 1993-1996 Service Manual

Coming Soon

Comprehensive guide covering all aspects of maintenance and repair for the Lexus GS, including detailed exhaust system information.

Exhaust System Compatibility Guide

Coming Soon

Provides detailed information on compatible exhaust systems for different Lexus GS models and engines.

Lexus GS Exhaust Parts Catalog

Coming Soon

A comprehensive catalog of exhaust parts for Lexus GS models, including diagrams and specifications.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Lexus Specs. All rights reserved.