Acura CL 1997-1999 Exhaust Specifications
Acura CL 1997-1999

Acura CL 1997-1999 Exhaust Specifications

Comprehensive technical guide for the 1997-1999 Acura CL exhaust system, including detailed specifications, diagrams, and maintenance tips for optimal performance and emissions compliance.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the exhaust system for the 1997-1999 Acura CL. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, performance, and maintenance requirements of the exhaust system. Use the search and navigation features to quickly find specific details or explore the sections for comprehensive insights.

How to Use

To search for specific terms or components, use the search bar at the top of the page. Enter keywords like 'muffler' or 'catalytic converter' to quickly locate relevant information.

Navigate through the document by scrolling or clicking on the section titles in the table of contents. Each section is organized into subsections for easy access to detailed information.

Key Specifications

Exhaust Diameter

2.25 inches

Catalytic Converter Life

100,000 miles

Muffler Noise Level

75 dB

Back Pressure

1.5 psi

Flow Rate

200 CFM

Available Specifications

Exhaust System Components

This section covers the major components of the exhaust system, including the manifold, catalytic converter, muffler, and tailpipe. Understanding these parts is essential for diagnosing issues and performing maintenance.

Exhaust Manifold
  • Made of cast iron for durability
  • Directs exhaust gases from the engine to the exhaust pipe
  • Designed to minimize back pressure
  • Includes heat shields for thermal management
Catalytic Converter
  • Reduces harmful emissions by converting pollutants
  • Contains a ceramic or metallic substrate
  • Oxygen sensors monitor efficiency
  • Complies with federal emissions standards

Performance Specifications

This section outlines the performance characteristics of the exhaust system, including flow rates, back pressure, and noise levels. These metrics are crucial for evaluating system efficiency.

Flow Rate
  • Optimized for 2.2L and 3.0L engine configurations
  • Supports up to 200 CFM (cubic feet per minute)
  • Ensures efficient gas expulsion
  • Balances performance and emissions
Noise Levels
  • Designed to meet OEM noise standards
  • Muffler reduces noise to 75 dB at full throttle
  • Tailpipe design minimizes resonance
  • Ensures a quiet and comfortable ride

Maintenance and Troubleshooting

This section provides guidance on maintaining the exhaust system and diagnosing common issues. Proper care ensures longevity and optimal performance.

Routine Maintenance
  • Inspect for rust and corrosion every 12 months
  • Check for exhaust leaks using a soap solution
  • Replace gaskets and seals as needed
  • Ensure all hangers and brackets are secure
Common Issues
  • Rust and corrosion in the muffler or pipes
  • Cracked or damaged exhaust manifold
  • Clogged catalytic converter
  • Loose or broken exhaust hangers

Component Specifications

Overview

Type
Dual Exhaust System
Configuration
Rear-Wheel Drive
Platform
Honda Accord Platform
Material
Stainless Steel
Location
Underbody

Dimensions

Exhaust Pipe Diameter
2.25 in (57.15 mm)
Muffler Size
18 in (L) x 8 in (W) x 5 in (H)
Tailpipe Diameter
2.0 in (50.8 mm)
Catalytic Converter Size
14 in (L) x 6 in (W)
Exhaust System Length
72 in (182.88 cm)
Exhaust Tip Size
3.0 in (76.2 mm) diameter

Materials

Exhaust Manifold
Cast Iron
Downpipe
Stainless Steel
Muffler And Tailpipe
Stainless Steel
Catalytic Converter
Ceramic

Features

Performance Features
  • Reduced backpressure for increased horsepower
  • Improved exhaust flow for better engine performance
Sound Features
  • Chambered muffler design for sporty tone
  • Minimal resonance
Durability Features
  • Stainless steel construction for corrosion resistance
  • Welded joints for strength
Emissions Features
  • High-flow catalytic converter
installation Features
  • Direct-fit design
  • OE-style hangers
  • Heat shields
Thermal Features
  • Heat shields
  • Thermal insulation

Safety Features

High Temperature Resistance
  • Heat-resistant materials
  • Thermal shields
Leak Resistant
  • Sealed joints
  • Welded construction
Mounting System
  • Durable hangers
  • Stable brackets

Comfort Features

Noise Reduction
  • Muffler design
  • Chambered system
Smooth Operation
  • Free-flowing exhaust
Rust Resistance
  • Stainless steel

Accessories

Exhaust Tips
  • Polished finish
  • Black finish
  • Chrome-plated
Gaskets And Seals
  • High-temperature gaskets
  • Exhaust sealant
Clamps And Hangers
  • Stainless steel clamps
  • OE-style rubber hangers

Maintenance

Service interval
15,000 to 30,000 miles
Service Items
  • Inspect exhaust system for leaks
  • Check exhaust mounts
  • Ensure proper catalytic converter function
  • Inspect muffler and tailpipe condition
  • Check exhaust manifold bolts
Maintenance Notes
Inspect system annually or as needed.

Warranty

Limited Warranty
Miles: 50,000
Years: 5
Coverage: Parts and labor
Terms: From original purchase date.
Corrosion Warranty
Miles: 50,000
Years: 5
Coverage: Perforation due to corrosion
Terms: From original purchase date.
Emissions Warranty
Miles: 50,000
Years: 5
Coverage: Catalytic converter and other emissions components
Terms: From original purchase date.
Catalytic Converter Warranty
Miles: 150,000
Years: 15
Coverage: Malfunction
Terms: From original purchase date.

Production Details

Manufacturer
Honda of America Mfg., Inc.
Manufacturing Process
  • Robotic welding
  • Precision machining
  • Catalytic converter production
  • Muffler assembly
Quality Control
inspection: Visual and acoustic testing
Testing: Leak and backpressure tests
Sustainability Practices
  • Recyclable materials
  • Efficient manufacturing processes
Production Metrics
Units Per Day: 500
Production Cycle: 8 hours

Exhaust System Service Information Service

Maintenance and service requirements for the exhaust system.

15,000
12
  • Inspect exhaust system for leaks or damage
  • Check exhaust manifold bolts
  • Inspect muffler and tailpipe
  • Check catalytic converter function
  • Inspect exhaust hangers and mounts

Inspect during regular maintenance.

30,000
24
  • Inspect and replace gaskets if necessary
  • Check exhaust system for rust
  • Inspect catalytic converter
  • Check exhaust tip condition
  • Inspect clamps and hangers

Use specialized tools for catalytic converter.

60,000
48
  • Replace exhaust gaskets
  • Inspect and clean catalytic converter
  • Replace muffler if necessary
  • Inspect exhaust manifold
  • Check tailpipe condition

Major service, may require lifting the vehicle.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the exhaust pipe diameter for the 1997-1999 Acura CL?

The exhaust pipe diameter for the 1997-1999 Acura CL is 2.25 inches. This measurement is consistent across both the 2.2L and 3.0L engine models.

Q2

What type of catalytic converter is used in the 1997-1999 Acura CL?

The 1997-1999 Acura CL uses a three-way catalytic converter with a ceramic honeycomb substrate. It is designed to reduce emissions of hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx).

Q3

What is the torque specification for the exhaust manifold bolts?

The torque specification for the exhaust manifold bolts on the 1997-1999 Acura CL is 23-25 ft-lbs (31-34 Nm). Ensure the engine is cool before tightening to avoid warping the manifold.

Q4

How often should the exhaust system be inspected?

The exhaust system should be inspected every 12 months or 12,000 miles, whichever comes first. Look for signs of rust, cracks, or leaks, especially at the joints and hangers.

Q5

What is the recommended replacement interval for the muffler?

The muffler does not have a specific replacement interval but should be inspected regularly. Replace it if there are signs of excessive corrosion, holes, or significant noise increase due to internal damage.

Q6

Can aftermarket exhaust systems affect the vehicle's warranty?

Yes, installing an aftermarket exhaust system may void parts of your vehicle's warranty, particularly if the modification causes damage to other components. Always consult your warranty documentation before making changes.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Acura CL Exhaust System Diagram

Coming Soon

A detailed diagram of the exhaust system components, including the manifold, catalytic converter, muffler, and tailpipe.

Exhaust System Maintenance Guide

Coming Soon

Step-by-step instructions for inspecting and maintaining the exhaust system, including safety precautions and tools required.

Catalytic Converter Replacement Procedure

Coming Soon

A technical guide for replacing the catalytic converter, including torque specifications and alignment tips.

OEM Exhaust Parts Catalog

Coming Soon

A catalog of genuine Acura exhaust components, including part numbers and compatibility details for the 1997-1999 CL.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

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