Acura CL 2001-2003 Exhaust Specifications
Comprehensive technical specifications for the 2001-2003 Acura CL exhaust system, including detailed component information, torque values, and emission compliance standards.
2001-2003 Acura CL Exhaust System Specifications Overview Specifications
This document provides a comprehensive overview of the exhaust system specifications for the 2001-2003 Acura CL. It includes detailed information about key components, technical specifications, and maintenance guidelines. Use this guide to identify parts, understand system design, and perform repairs or upgrades. Navigate through the sections to find specific details or refer to the quick reference for key specifications.
How to Use
To find specific information, use the search functionality by entering keywords such as 'muffler size', 'exhaust pipe diameter', or 'catalytic converter type'. This will help you quickly locate relevant sections and details.
Navigate through the document by exploring the sections listed in the table of contents. Each section is divided into subsections that provide detailed technical information. Start with the 'Key Specifications' section for a quick overview of critical measurements and ratings.
Key Specifications
Muffler Dimensions
12 x 6 x 4 inches
Catalytic Converter Type
400-cell ceramic substrate
Exhaust Pipe Diameter
2.25 inches (V6), 2.0 inches (4-cylinder)
System Material
Stainless steel and aluminized steel
Max Flow Rate
150 CFM (V6), 120 CFM (4-cylinder)
Available Specifications
Exhaust System Overview
This section provides a general overview of the exhaust system, including its design, materials, and key components. It serves as a foundation for understanding the more detailed specifications in subsequent sections.
Exhaust System Overview
This section provides a general overview of the exhaust system, including its design, materials, and key components. It serves as a foundation for understanding the more detailed specifications in subsequent sections.
System Design
- The exhaust system is designed to reduce emissions and minimize noise.
- Features a dual exhaust system on V6 models for improved performance.
- Single exhaust system on 4-cylinder models.
- Includes a catalytic converter, muffler, resonator, and exhaust pipes.
- Constructed from stainless steel and aluminized steel for durability.
Materials and Construction
- Exhaust pipes are made from aluminized steel for corrosion resistance.
- Muffler and resonator are constructed from stainless steel.
- Catalytic converter features a ceramic honeycomb substrate.
- Exhaust tips are chrome-plated for a polished finish.
Exhaust Components
This section details the specifications of individual exhaust system components, including the muffler, catalytic converter, and exhaust pipes.
Exhaust Components
This section details the specifications of individual exhaust system components, including the muffler, catalytic converter, and exhaust pipes.
Muffler and Resonator
- Muffler dimensions: 12 inches (length) x 6 inches (width) x 4 inches (height).
- Resonator length: 24 inches.
- Muffler features a straight-through design for optimal flow.
- Resonator is tuned to reduce drone and resonance.
Catalytic Converter
- Catalytic converter dimensions: 6 inches (length) x 4 inches (width).
- Features a 400-cell per square inch ceramic substrate.
- Designed to meet EPA emissions standards.
- Includes oxygen sensor ports for monitoring.
- Welded stainless steel casing for durability.
Exhaust Pipes
- Exhaust pipe diameter: 2.25 inches for V6 models, 2.0 inches for 4-cylinder models.
- Constructed from aluminized steel.
- Features mandrel-bent curves for smooth flow.
- Includes flanges and gaskets for secure connections.
Mounts and Hangers
- Exhaust system is supported by rubber mounts for vibration isolation.
- Hangers are constructed from durable rubber and steel.
- Mounts are positioned every 12 inches along the system.
- Includes heat shields to protect components from excessive heat.
Performance Specifications
This section provides performance-related specifications, including flow rates, backpressure, and sound levels.
Performance Specifications
This section provides performance-related specifications, including flow rates, backpressure, and sound levels.
Flow Rates and Pressure
- Maximum flow rate: 150 CFM (cubic feet per minute) for V6 models.
- Maximum flow rate: 120 CFM for 4-cylinder models.
- Operating pressure: 1.5 psi (pounds per square inch).
- Backpressure at 4000 RPM: 2.0 psi for V6, 1.8 psi for 4-cylinder.
Sound Levels
- Exhaust note at idle: 70 dB (decibels).
- Exhaust note at 3000 RPM: 85 dB.
- Exhaust note at 5000 RPM: 95 dB.
- Meets or exceeds all applicable noise regulations.
Maintenance and Repair
This section covers maintenance schedules, common issues, and repair guidelines for the exhaust system.
Maintenance and Repair
This section covers maintenance schedules, common issues, and repair guidelines for the exhaust system.
Inspection and Maintenance
- Inspect exhaust system every 15,000 miles for leaks and damage.
- Replace muffler and resonator every 80,000 miles or as needed.
- Check catalytic converter for efficiency every 50,000 miles.
- Clean or replace oxygen sensors every 60,000 miles.
Replacement Intervals
- Exhaust pipes: Replace every 100,000 miles or as needed.
- Gaskets and seals: Replace every 50,000 miles or as needed.
- Heat shields: Replace if damaged or corroded.
- Exhaust tips: Polish or replace every 30,000 miles.
Common Issues
- Rust and corrosion on exhaust pipes and muffler.
- Leaks at flanges and gaskets.
- Clogged catalytic converter.
- Damaged or loose heat shields.
- Rattling noise from loose components.
Upgrades and Modifications
This section provides information on upgrading or modifying the exhaust system for improved performance or sound.
Upgrades and Modifications
This section provides information on upgrading or modifying the exhaust system for improved performance or sound.
Aftermarket Exhaust Systems
- High-flow catalytic converters for increased performance.
- Performance mufflers with adjustable sound levels.
- Stainless steel exhaust systems for durability.
- Cat-back systems for improved flow and sound.
- Axle-back systems for enhanced exhaust note.
Performance Mufflers
- Straight-through mufflers for maximum flow.
- Chambered mufflers for reduced drone.
- Glasspack mufflers for a aggressive sound.
- Titanium mufflers for lightweight construction.
- Adjustable mufflers with variable sound control.
Cat-Back Systems
- Includes muffler, resonator, and exhaust pipes.
- Constructed from stainless steel or titanium.
- Features mandrel-bent curves for smooth flow.
- Available in polished or matte finishes.
- Improves horsepower and torque by reducing backpressure.
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Component Specifications
Overview
- Type
- Dual Exhaust System
- Configuration
- Rear-Wheel Drive (RWD)
- Platform
- Honda Accord Platform
- Material
- Stainless Steel
- Location
- Dual Rear Exit
Dimensions
- System Length
- 7'0" (84")
- inlet Diameter
- 2.25" (57.15 mm)
- Outlet Diameter
- 2.0" (50.8 mm)
- Tailpipe Diameter
- 2.0" (50.8 mm)
- Muffler Size
- 18" x 8" x 4" (457.2 mm x 203.2 mm x 101.6 mm)
- Exhaust Tip Diameter
- 3.5" (88.9 mm)
- System Weight
- 55 lbs (24.95 kg)
Materials
- Exhaust Manifold
- Cast Iron
- Downpipe
- Stainless Steel
- Midpipe
- Stainless Steel
- Muffler
- Stainless Steel
- Tailpipe
- Stainless Steel
- Exhaust Tips
- Polished Stainless Steel
Features
- Catalytic Converter
-
- High-Flow Design
- Located Downstream of Exhaust Manifold
- Metallic Core Construction
- Resonator
-
- Straight-Through Design
- Stainless Steel Construction
- Optimized for Sound Reduction
- Muffler
-
- Chambered Design
- Stainless Steel Perforated Core
- Welded End Construction
- Exhaust Tips
-
- Polished Finish
- Welded On
- Oval Shape
- Heat Shield
-
- Stainless Steel Heat Shield
- Protects Undercarriage Components
- Durable Construction
- Exhaust Hangers
-
- Rubber Isolated Mounts
- Stainless Steel Brackets
- Vibration Dampening
Safety Features
- Heat Protection
-
- Heat Shields for Undercarriage Protection
- Insulated Exhaust Components
- Fire-Resistant Materials
- Leak Protection
-
- Sealed Welded Joints
- Flexible Exhaust Couplers
- Spring-Loaded Exhaust Flanges
- Structural integrity
-
- Robust Mounting System
- Reinforced Joints
- Durable Hangers
Comfort Features
- Sound Reduction
-
- Chambered Muffler Design
- Resonator for Sound Cancellation
- Acoustic Insulation
- Exhaust Note
-
- Optimized for Smooth Sound
- Dual Exhaust System for Balanced Tone
- Minimal Drone at Highway Speeds
- Vibration Reduction
-
- Flexible Exhaust Couplers
- Rubber Isolated Mounts
- Balanced System Design
- Exhaust Flow
-
- Mandrel Bent Pipes for Maximum Flow
- Optimized Pipe Diameter
- Smooth Internal Surface Finish
Accessories
- Performance Upgrades
-
- High-Flow Catalytic Converter
- Aftermarket Mufflers
- Performance Exhaust Tips
- Exhaust Kits
-
- Cat-Back Exhaust System
- Axle-Back Exhaust System
- Headers and Downpipe Kit
- Exhaust Accessories
-
- Exhaust Tip Adapters
- Heat Shield Kits
- Exhaust Hanger Kits
Maintenance
- Service interval
-
- Miles: 15,000 miles, Months: 12 months, Items: Inspect exhaust system for leaks,Check exhaust hangers and mounts,Inspect exhaust tips for damage,Verify catalytic converter function,Check for any rust or corrosion, Note: Recommended to perform during routine maintenance
- Miles: 30,000 miles, Months: 24 months, Items: Detailed inspection of exhaust manifold,Check for any exhaust leaks at joints,Inspect muffler and resonator condition,Check catalytic converter efficiency,Clean or replace exhaust system components as needed, Note: More thorough inspection recommended
- Miles: 60,000 miles, Months: 48 months, Items: Replace exhaust gaskets and seals,Inspect and replace muffler if necessary,Replace catalytic converter if needed,Check and replace exhaust hangers,Inspect entire system for wear and tear, Note: Major service interval for exhaust system
- Maintenance Notes
-
- Avoid exposure to high-temperature paint or coatings
- Use only OEM or high-quality aftermarket components
- Ensure proper tightening of all bolts and connections
- Avoid driving in extreme off-road conditions
- Regular washing to prevent rust and corrosion
Warranty
- Basic Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: Exhaust system components
- Powertrain Warranty
- Miles: 70,000 milesYears: 5 yearsCoverage: Exhaust manifold and catalytic converter
- Emissions Warranty
- Miles: 80,000 milesYears: 8 yearsCoverage: Catalytic converter and exhaust system components
- Corrosion Warranty
- Miles: Unlimited milesYears: 5 yearsCoverage: Perforation of exhaust system components
Production Details
- Manufacturer
- Honda Manufacturing of America, Inc.
- Manufacturing Process
-
- Robotic Welding
- Laser Cutting
- Hydroforming
- TIG Welding
- CNC Machining
- Quality Control
- inspection: Leak Testing, Dimensional Inspection, Material Quality Check, Weld Quality Inspection, Functional TestingCertifications: ISO 9001:2015, IATF 16949:2016, ISO 14001:2015
- Sustainability Practices
-
- Recyclable Materials
- Energy-Efficient Manufacturing
- Reduced Emissions Production
- Waste Reduction Programs
- Production Metrics
- Production Volume: 500 units per monthLead Time: 6-8 weeksFailure Rate: <1%Warranty Claims: Low
Service Information for Exhaust System Service
Maintenance and service requirements specific to the exhaust system of the 2001-2003 Acura CL
- Inspect exhaust system for leaks and damage
- Check exhaust hangers and mounts for wear
- Inspect exhaust tips for corrosion or damage
- Verify catalytic converter function
- Check for any rust or corrosion on components
Recommended to perform during routine maintenance
- Detailed inspection of exhaust manifold and downpipe
- Check for any exhaust leaks at flanges and joints
- Inspect muffler and resonator for signs of wear
- Check catalytic converter efficiency using scan tool
- Clean or replace exhaust system components as needed
More thorough inspection recommended; may require specialized tools
- Replace exhaust system gaskets and seals
- Inspect and replace muffler if necessary
- Replace catalytic converter if needed
- Check and replace exhaust hangers and mounts
- Inspect entire system for wear and tear; replace components as needed
Major service interval for exhaust system; may require lift and specialized tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust pipe diameter for the 2001-2003 Acura CL?
What is the exhaust pipe diameter for the 2001-2003 Acura CL?
The exhaust pipe diameter for the 2001-2003 Acura CL is 2.25 inches (57.15 mm) for the standard trim. The Type-S trim features a slightly larger diameter of 2.5 inches (63.5 mm) to accommodate increased exhaust flow.
Q2 What type of catalytic converter is used in the 2001-2003 Acura CL?
What type of catalytic converter is used in the 2001-2003 Acura CL?
The 2001-2003 Acura CL is equipped with a three-way catalytic converter, which reduces nitrogen oxides (NOx), carbon monoxide (CO), and hydrocarbons (HC). The converter is designed to meet California Air Resources Board (CARB) standards for emissions compliance.
Q3 What is the recommended exhaust system maintenance schedule for the Acura CL?
What is the recommended exhaust system maintenance schedule for the Acura CL?
Acura recommends inspecting the exhaust system every 15,000 miles or 12 months, whichever comes first. This includes checking for leaks, corrosion, and damage to the muffler, catalytic converter, and exhaust pipes. Replace worn or damaged components promptly to ensure optimal performance and emissions compliance.
Q4 Can I install an aftermarket exhaust system on my 2001-2003 Acura CL?
Can I install an aftermarket exhaust system on my 2001-2003 Acura CL?
Yes, aftermarket exhaust systems can be installed, but they must comply with local emissions regulations. Using non-compliant systems may void your vehicle's warranty and result in failed emissions tests. Always consult with a certified technician before making modifications.
Q5 What is the torque specification for the exhaust manifold bolts on the Acura CL?
What is the torque specification for the exhaust manifold bolts on the Acura CL?
The torque specification for the exhaust manifold bolts on the 2001-2003 Acura CL is 23 lb-ft (31 Nm) for the 3.2L V6 engine. Ensure the bolts are tightened in a crisscross pattern to avoid warping the manifold.
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 SoonA detailed diagram of the exhaust system components, including the catalytic converter, muffler, and exhaust pipes, for the 2001-2003 Acura CL.
Emissions Compliance Guide
Coming SoonA guide to understanding emissions standards and how the Acura CL's exhaust system complies with federal and state regulations.
Exhaust System Maintenance Checklist
Coming SoonA step-by-step checklist for inspecting and maintaining the exhaust system on the 2001-2003 Acura CL.
Genuine Acura Exhaust Parts Catalog
Coming SoonA catalog of genuine Acura exhaust components, including mufflers, catalytic converters, and pipes, for the 2001-2003 Acura CL.
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