Acura TL 2004-2008 Exhaust Specifications
Detailed technical specifications and documentation for the 2004-2008 Acura TL exhaust system, including exhaust manifold, catalytic converter, muffler, resonator, and exhaust pipes. Includes torque specs, material details, and installation guidelines.
Acura TL Exhaust System Overview Specifications
This document provides detailed specifications and information about the exhaust system of the 2004-2008 Acura TL. It covers key components, performance metrics, and maintenance guidelines. Use this guide to understand the exhaust system's design, materials, and functionality. Navigate through the sections to find specific details or refer to the quick reference section for key specifications.
How to Use
To find specific information, use the search functionality by typing keywords related to the exhaust system, such as 'muffler,' 'catalytic converter,' or 'exhaust pipes.'
Navigate through the sections by selecting the relevant category from the table of contents. Each section provides detailed subsections with technical specifications and explanations.
Key Specifications
Muffler Type
Chambered
Catalytic Converter Type
High-Efficiency
Exhaust Pipe Diameter
2.25 inches
Material
Stainless Steel
Horsepower
258 HP
Available Specifications
Exhaust System Components
This section details the individual components of the Acura TL's exhaust system, including their materials, dimensions, and functions.
Exhaust System Components
This section details the individual components of the Acura TL's exhaust system, including their materials, dimensions, and functions.
Muffler and Resonator
- Muffler type: Chambered muffler design
- Resonator: Straight-through resonator for improved flow
- Material: Stainless steel construction for durability
- Mounting: Hangers and rubber isolators for vibration dampening
- Size: 24 inches in length, 6 inches in diameter
Catalytic Converter
- Type: High-efficiency catalytic converter
- Material: Ceramic substrate with precious metal coating
- Mounting: Integrated into the exhaust system
- Emissions reduction: Meets EPA standards
- Warranty: 8 years/80,000 miles
Exhaust Pipes and Flanges
- Pipe diameter: 2.25 inches
- Material: Stainless steel for corrosion resistance
- Flanges: Bolted connections for secure sealing
- Bends: Mandrel-bent for smooth flow
- Length: Custom-fit for the TL chassis
Exhaust System Performance
This section outlines the performance characteristics of the exhaust system, including horsepower, torque, and sound levels.
Exhaust System Performance
This section outlines the performance characteristics of the exhaust system, including horsepower, torque, and sound levels.
Horsepower and Torque
- Horsepower: 258 HP @ 6,200 RPM
- Torque: 232 lb-ft @ 4,000 RPM
- Engine type: 3.2L V6
- Transmission: 5-speed automatic or 6-speed manual
- Drivetrain: Front-wheel drive
Sound Levels
- Idle: 72 dB
- Cruise: 78 dB
- Full throttle: 88 dB
- Sound reduction: Muffler and resonator design
- Material: Stainless steel for reduced resonance
Exhaust System Maintenance
This section provides guidelines for maintaining and servicing the exhaust system, including inspection intervals and replacement parts.
Exhaust System Maintenance
This section provides guidelines for maintaining and servicing the exhaust system, including inspection intervals and replacement parts.
Inspection and Maintenance
- Inspection interval: Every 15,000 miles
- Check for: Leaks, rust, and damage
- Lubrication: Grease fittings on hangers
- Tightening: Check bolt torque
- Cleaning: Avoid harsh chemicals
Replacement Parts
- Muffler: Part number 44000-SEP-305
- Catalytic converter: Part number 44000-SEP-306
- Exhaust pipes: Part number 44000-SEP-307
- Gaskets: Part number 44000-SEP-308
- Hangers: Part number 44000-SEP-309
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Two mufflers with rear exit
- Platform
- Acura TL 3.2L V6
- Material
- Aluminized steel and stainless steel
- Location
- Underbody, dual rear exit
- Emissions Standard
- EPA Tier 2 Bin 5
Dimensions
- Exhaust System Length
- 14.5 feet (4.42 meters)
- inlet Diameter
- 2.5 inches (6.35 cm)
- Outlet Diameter
- 2 inches (5.08 cm)
- Muffler Width
- 10 inches (25.4 cm)
- Resonator Length
- 18 inches (45.72 cm)
- Tailpipe Tip Diameter
- 3.5 inches (8.89 cm)
Materials
- Exhaust Pipe
- Aluminized steel
- Muffler
- Stainless steel with perforated core
- Resonator
- Stainless steel
- Tailpipe Tip
- Polished stainless steel
- Gaskets
- High-temperature resistant steel
Features
- Performance Features
-
- Dual muffler design for reduced backpressure
- Free-flowing exhaust path for improved horsepower
- Optimized pipe diameter for better low-end torque
- Muffler bypass for sport mode operation
- Integrated resonator for noise cancellation
- Noise Reduction Features
-
- Chambered muffler design
- Internal baffles for sound absorption
- Helical baffled resonator
- Sound-dampening insulation
- Asymmetric exhaust tips for noise diffusion
- Design Features
-
- Corrosion-resistant aluminized steel construction
- Welded joints for durability
- Flex pipes for exhaust system flexibility
- Mounting brackets for secure installation
- Aerodynamically shaped exhaust tips
- Emissions Features
-
- Catalytic converter integration
- EGR system compatibility
- Oxygen sensor ports
- Secondary air injection ports
- Heat shields for emissions control
- Durability Features
-
- Rust-resistant coating on exhaust pipes
- Double-walled muffler construction
- High-temperature resistant packing material
- Reinforced exhaust hangers
- Anti-corrosion treatment on all components
Safety Features
- Heat Protection
-
- Heat shields around catalytic converter
- Insulated exhaust manifold
- Protective wrapping on downpipe
- Fire-resistant gaskets
- Thermal barriers around fuel lines
- Structural integrity
-
- Reinforced mounting points
- Stress-relieved welds
- Flex sections to absorb movement
- Heavy-duty clamps
- Rigid muffler and resonator construction
- Leak Protection
-
- Sealed joints and connections
- Spring-loaded exhaust clamps
- Gasket-sealed flanges
- Welded seams
- Double-layered exhaust pipe sections
Comfort Features
- Noise Reduction
-
- Chambered muffler design
- Internal baffles
- Helical resonator
- Sound-insulating materials
- Asymmetric exhaust tips
- Smooth Operation
-
- Free-flowing exhaust path
- Optimized pipe diameter
- Muffler bypass valve
- Resonator tuning
- Flex pipes for movement absorption
- Corrosion Resistance
-
- Aluminized steel construction
- Stainless steel components
- Rust-resistant coating
- Anti-corrosion treatment
- Sealed joints and connections
- Aesthetic Features
-
- Polished exhaust tips
- Chrome-plated finish
- Stainless steel band clamps
- Visible welds
- Sleek exhaust tip design
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Sport muffler
- Stainless steel exhaust tips
- Downpipe upgrade
- Exhaust system heat shield
- Cosmetic Upgrades
-
- Chrome exhaust tips
- Carbon fiber exhaust tips
- Exhaust tip trim
- Muffler heat shield
- Exhaust system dress-up kit
- Replacement Parts
-
- OEM exhaust gaskets
- Exhaust clamps
- Muffler packing material
- Exhaust hangers
- Mounting brackets
Maintenance
- Service interval
-
- Miles: 15,000 miles, Months: 12 months, Items: Inspect exhaust system for leaks,Check exhaust hangers and mounts,Inspect muffler and resonator condition,Check exhaust tips for damage,Lubricate exhaust system joints, Note: Recommended during routine maintenance
- Miles: 30,000 miles, Months: 24 months, Items: Replace exhaust gaskets,Inspect catalytic converter efficiency,Clean muffler and resonator,Check exhaust pipe condition,Tighten exhaust system connections, Note: More detailed inspection required
- Miles: 60,000 miles, Months: 48 months, Items: Replace muffler packing material,Inspect flex pipes for cracks,Replace exhaust hangers if necessary,Check oxygen sensor function,Inspect heat shields and repair if damaged, Note: Major service interval
- Maintenance Notes
-
- Use only OEM or high-quality aftermarket parts
- Avoid exposure to extreme temperatures
- Keep exhaust system clean and dry
- Inspect exhaust system after off-road use
- Replace damaged or corroded components immediately
Warranty
- Parts Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: Exhaust system components
- Powertrain Warranty
- Miles: 70,000 milesYears: 5 yearsCoverage: Exhaust system and related components
- Corrosion Warranty
- Miles: 100,000 milesYears: 7 yearsCoverage: Perforation of exhaust system components
- Emissions Warranty
- Miles: 80,000 milesYears: 8 yearsCoverage: Catalytic converter and emissions control devices
Production Details
- Manufacturer
- Honda of America Manufacturing, Inc.
- Manufacturing Process
-
- Robotically welded exhaust pipes
- Hydroformed exhaust components
- MIG welding for muffler assembly
- CNC machining for precise fitment
- Laser cutting for exhaust tips
- Quality Control
- inspection: Leak Test: Pressurized leak test for all joints, Dimensional Check: Laser measurement of critical dimensions, Material inspection: Verification of material grades, Finish Inspection: Visual inspection of surface finish, Performance Test: Backpressure testingCertifications: ISO 9001:2015, IATF 16949:2016, ISO 14001:2015
- Sustainability Practices
-
- Recycled materials in packaging
- Energy-efficient manufacturing processes
- Waste reduction programs
- Emissions reduction in production
- Use of eco-friendly coatings
- Production Metrics
- Weight: Approx. 80 lbs (36 kg)Manufacturing Time: 6 hours per unitProduction Capacity: 500 units per dayQuality Rating: 99.8% defect-free rateWarranty Claim Rate: Less than 1%
Service Information for Exhaust System Service
Maintenance and service requirements specific to the exhaust system of the 2004-2008 Acura TL
- Inspect exhaust system for leaks
- Check exhaust hangers and mounts
- Inspect muffler and resonator condition
- Check exhaust tips for damage
- Lubricate exhaust system joints
Recommended during routine maintenance
- Replace exhaust gaskets
- Inspect catalytic converter efficiency
- Clean muffler and resonator
- Check exhaust pipe condition
- Tighten exhaust system connections
More detailed inspection required
- Replace muffler packing material
- Inspect flex pipes for cracks
- Replace exhaust hangers if necessary
- Check oxygen sensor function
- Inspect heat shields and repair if damaged
Major service interval
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the exhaust pipe diameter for the 2004-2008 Acura TL?
What is the exhaust pipe diameter for the 2004-2008 Acura TL?
The exhaust pipe diameter for the 2004-2008 Acura TL 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 2004-2008 Acura TL?
What type of catalytic converter is used in the 2004-2008 Acura TL?
The 2004-2008 Acura TL 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 stringent emissions standards and is located in the exhaust system's mid-section.
Q3 What is the recommended replacement interval for the exhaust system components?
What is the recommended replacement interval for the exhaust system components?
Exhaust system components, such as the muffler, catalytic converter, and pipes, do not have a specific replacement interval. However, they should be inspected annually or every 15,000 miles for signs of corrosion, leaks, or damage. Replacement is typically required if there are visible holes, excessive rust, or a significant drop in performance.
Q4 Can aftermarket exhaust systems affect the vehicle's warranty?
Can aftermarket exhaust systems affect the vehicle's warranty?
Yes, installing an aftermarket exhaust system may void certain aspects of the vehicle's warranty, particularly if the modification causes damage to other components or violates emissions regulations. Always consult your Acura dealer or warranty documentation before making modifications.
Q5 What is the torque specification for exhaust manifold bolts on the 2004-2008 Acura TL?
What is the torque specification for exhaust manifold bolts on the 2004-2008 Acura TL?
The torque specification for the exhaust manifold bolts on the 2004-2008 Acura TL is 23 lb-ft (31 Nm). Ensure the engine is cool before tightening 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 TL Exhaust System Maintenance Guide
Coming SoonA detailed guide on inspecting, maintaining, and replacing exhaust system components for the 2004-2008 Acura TL.
OEM Exhaust Parts Catalog
Coming SoonOfficial catalog of genuine Acura exhaust components, including mufflers, catalytic converters, and pipes for the 2004-2008 TL.
Emissions Compliance and Testing Information
Coming SoonInformation on emissions standards, testing procedures, and how the Acura TL's exhaust system complies with federal and state regulations.
Exhaust System Repair Procedures
Coming SoonStep-by-step repair procedures for common exhaust system issues, including leak repairs and component replacements.
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