Acura MDX 2022-present Exhaust Specifications
Acura MDX 2022-present

Acura MDX 2022-present Exhaust Specifications

Detailed technical specifications and guidelines for the exhaust system of the 2022-Present Acura MDX. Includes component details, torque values, and maintenance procedures.

Updated

Exhaust System Specifications Specifications

This document provides a comprehensive overview of the exhaust system specifications for the 2022-present Acura MDX. It includes detailed information about the system's components, technical specifications, and maintenance guidelines. Use this guide to understand the exhaust system's design, functionality, and key features. Navigate through the sections to find specific details or use the quick reference section for at-a-glance information.

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 pipe'. This will help you quickly locate relevant sections and subsections.

Navigate through the document by reviewing the table of contents or by selecting specific sections from the menu. Each section is organized into subsections that provide detailed technical specifications and explanations.

Key Specifications

Engine

3.5L V6

Exhaust System Type

Dual exhaust with single muffler

Catalytic Converter

High-efficiency honeycomb design

Muffler

High-flow chambered design

Emissions Standard

Meets EPA and CARB standards

Available Specifications

Exhaust System Overview

This section provides a general overview of the exhaust system, including its primary components, purpose, and overall design. It explains how the system contributes to vehicle performance, fuel efficiency, and emissions control.

System Components
  • Exhaust manifold
  • Catalytic converter
  • Exhaust pipe
  • Muffler
  • Tailpipe
  • Heat shield
System Purpose
  • Directs exhaust gases away from the engine
  • Reduces harmful emissions through catalytic conversion
  • Minimizes noise levels
  • Improves engine performance
  • Enhances fuel efficiency

Exhaust Pipe and Muffler

This section details the specifications and features of the exhaust pipe and muffler, including materials, dimensions, and design characteristics. It also covers maintenance and inspection recommendations.

Exhaust Pipe Specifications
  • Made from high-grade stainless steel
  • Diameter: 2.5 inches
  • Features a double-walled design for heat resistance
  • Includes flexible sections for vibration reduction
  • Coated with anti-corrosive material
Muffler Specifications
  • High-flow muffler design for optimal performance
  • Made from durable stainless steel
  • Features a chambered interior for sound reduction
  • Includes a rear exhaust valve for improved flow
  • Designed for long-term durability

Catalytic Converter

This section provides detailed information about the catalytic converter, including its function, design, and maintenance requirements. It also covers emissions standards and performance metrics.

Catalytic Converter Functionality
  • Reduces emissions of harmful pollutants
  • Converts CO, HC, and NOx into harmless gases
  • Features a honeycomb-style catalyst
  • Includes oxygen sensors for real-time monitoring
  • Designed to meet stringent emissions standards
Performance Metrics
  • Efficiency rating: 95% or higher
  • Operating temperature range: 500°F - 1200°F
  • Pressure drop: Minimal for optimal flow
  • Durability: Designed for 150,000+ miles
  • Compliance: Meets EPA and CARB standards

After-Treatment System

This section covers the after-treatment system, including components such as the diesel particulate filter (DPF), selective catalytic reduction (SCR), and related sensors. It provides specifications, maintenance tips, and operational details.

Diesel Particulate Filter (DPF)
  • Captures and regenerates particulate matter
  • Made from high-temperature-resistant materials
  • Features a cordierite substrate
  • Includes an integrated temperature sensor
  • Requires periodic regeneration cycles
Selective Catalytic Reduction (SCR)
  • Reduces NOx emissions using urea injection
  • Features a vanadium-based catalyst
  • Includes a dosing module for precise urea delivery
  • Monitored by NOx sensors
  • Requires DEF (diesel exhaust fluid) replenishment

Component Specifications

Overview

Type
Dual Exhaust System
Configuration
Dual exhaust with dual tips
Platform
Honda/Acura Light Truck Global Platform
Material
Stainless Steel
Location
Rear-mounted, dual outlets
Emissions Standard
EPA Tier 3 Bin 125

Dimensions

Exhaust Pipe Diameter
2.5 inches (63.5 mm)
Tip Diameter
4.0 inches (101.6 mm)
Exhaust System Length
8.5 feet (2.59 meters)
Muffler Size
14.0 x 6.5 x 4.0 inches (355 x 165 x 102 mm)
Catalytic Converter Size
6.0 x 4.0 x 4.0 inches (152 x 102 x 102 mm)
System Weight
44.0 lbs (19.96 kg)
Backpressure
10.5 psi (0.72 bar)
Flow Rate
300 cfm (8.5 m3/min)

Materials

Exhaust Manifold
Cast Iron with Stainless Steel Wrapping
Downpipe
Stainless Steel (Grade 304)
Mid-Pipe
Stainless Steel (Grade 304)
Muffler
Stainless Steel (Grade 304)
Exhaust Tips
Polished Stainless Steel (Grade 304)

Features

Performance Features
  • Dual exhaust system with active valves
  • Optimized flow for increased horsepower and torque
  • Reduced backpressure for improved engine efficiency
Sound Features
  • Sport-tuned exhaust note
  • Integrated sound dampening chambers
  • Active exhaust note modulation
Catalytic Converter Features
  • High-efficiency catalytic converters
  • Two-way single-bed catalyst design
  • Integrated catalyst heating system
Heat Management Features
  • Heat shields for undercarriage protection
  • Thermal insulation wrapping
  • Directed exhaust flow for heat reduction

Safety Features

High Temperature Resistance
Materials: Stainless Steel and Ceramic Coatings
Temperature Rating: Up to 1500°F (815°C)
Leak Detection
  • Exhaust gas sensors
  • System integrity checks
  • Pressure monitoring
Mounts And Hangers
  • Rubber isolators
  • Flexible exhaust couplers
  • Durable hanger brackets

Comfort Features

Noise Reduction
  • Acoustic dampening materials
  • Chambered muffler design
  • Active noise cancellation integration
Smooth Operation
  • Flexible exhaust joints
  • Vibration-isolating mounts
  • Linear exhaust flow design
Exhaust Note Modulation
  • Active valves for sound control
  • Driver-selectable modes
  • Adaptive exhaust tuning

Accessories

Performance Upgrades
  • High-flow catalytic converters
  • Cat-back exhaust systems
  • Exhaust tips with decorative finishes
Decorative Accessories
  • Chrome-plated tips
  • Carbon fiber tips
  • Exhaust tip trim kits
Maintenance Accessories
  • Exhaust system cleaning kits
  • Heat wrap kits
  • Exhaust repair clamps

Maintenance

Service interval
  • Miles: 15,000 miles, Months: 12 months, Items: Inspect exhaust system for leaks,Check exhaust mounts and hangers,Clean exhaust tips,Verify exhaust system operation, Note: Recommended inspection interval for normal driving conditions
  • Miles: 30,000 miles, Months: 24 months, Items: Clean exhaust system components,Inspect catalytic converters,Check exhaust gas sensors,Replace exhaust system gaskets if necessary, Note: Intermediate service interval for moderate driving conditions
  • Miles: 60,000 miles, Months: 60 months, Items: Replace exhaust system gaskets,Inspect and replace muffler if needed,Clean or replace catalytic converters,Check exhaust system performance, Note: Major service interval for high-mileage or extreme conditions
Maintenance Notes
  • Always use factory-approved replacement parts
  • Follow proper torque specifications for exhaust system components
  • Avoid using harsh chemicals or abrasive cleaners
  • Inspect the exhaust system after any off-road driving

Warranty

New Vehicle Limited Warranty
Coverage: 3 years or 36,000 miles
Description: Covers defects in materials and workmanship
Emissions Warranty
Coverage: 8 years or 80,000 miles
Description: Covers catalytic converters and other emissions components
Catalytic Converter Warranty
Coverage: 15 years or 150,000 miles
Description: Covers catalytic converter against defects
Accessory Warranty
Coverage: 1 year or 12,000 miles
Description: Covers accessories like exhaust tips and decorative items

Production Details

Manufacturer
Honda Manufacturing of Alabama, LLC
Manufacturing Process
  • Robotic welding and assembly
  • CNC machining for precise components
  • Laser cutting for custom fitment
  • Automated inspection and testing
Quality Control
Tests: Pressure testing for leaks, Flow bench testing, Noise level testing, Durability testing
Certifications: ISO 9001:2015, IATF 16949:2016, EPA Compliance
Sustainability Practices
  • Use of recyclable materials
  • Energy-efficient manufacturing processes
  • Waste reduction programs
  • Emissions reduction technologies
Production Metrics
Daily Production: Approximately 500 units per day
Quality Rating: 99.8% defect-free rate
Efficiency: 85% energy utilization efficiency

Service Information for Acura MDX Exhaust System Service

Maintenance and service requirements specific to the exhaust system

15,000 miles
12 months
  • Inspect exhaust system for leaks or damage
  • Check exhaust mounts and hangers
  • Clean exhaust tips
  • Verify exhaust system operation
  • Check exhaust gas sensor functionality

Recommended for normal driving conditions

30,000 miles
24 months
  • Clean exhaust system components
  • Inspect catalytic converters
  • Check exhaust gas sensors
  • Replace exhaust system gaskets if necessary
  • Inspect muffler and resonator

Intermediate service for moderate driving conditions

60,000 miles
60 months
  • Replace exhaust system gaskets
  • Inspect and replace muffler if needed
  • Clean or replace catalytic converters
  • Check exhaust system performance
  • Inspect heat shields and protective components

Major service for high-mileage or extreme conditions

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What is the exhaust system configuration for the 2022-present Acura MDX?

The 2022-present Acura MDX features a dual exhaust system with a single muffler and two tailpipes. The system is designed to optimize exhaust flow and reduce backpressure, enhancing engine performance. The tailpipes are 2.5 inches in diameter, and the system is constructed from stainless steel for durability and corrosion resistance.

Q2

What type of catalytic converter is used in the Acura MDX exhaust system?

The Acura MDX is equipped with a three-way catalytic converter that reduces harmful emissions by converting carbon monoxide, hydrocarbons, and nitrogen oxides into less harmful gases. The converter is integrated into the exhaust manifold for efficient heat management and faster activation during cold starts.

Q3

What is the recommended maintenance schedule for the exhaust system?

Acura recommends inspecting the exhaust system every 15,000 miles or 12 months, whichever comes first. Key checks include inspecting for leaks, corrosion, and loose or damaged components. The catalytic converter and oxygen sensors should also be tested for proper operation during routine service intervals.

Q4

Can aftermarket exhaust systems affect the vehicle's warranty?

Installing an aftermarket exhaust system may void the warranty on related components if it is determined that the modification caused damage or malfunction. Acura recommends using genuine parts to ensure compatibility and maintain warranty coverage. Always consult your dealer before making modifications.

Q5

What are the torque specifications for exhaust system components?

The exhaust manifold bolts should be torqued to 25-30 ft-lbs, while the exhaust pipe flange bolts require 30-35 ft-lbs. The muffler hanger bolts should be tightened to 15-20 ft-lbs. Always refer to the service manual for precise specifications and use a calibrated torque wrench.

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 MDX Exhaust System Service Manual

Coming Soon

Official service manual detailing exhaust system components, maintenance procedures, and troubleshooting steps.

Exhaust System Maintenance Guide

Coming Soon

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

Genuine Acura Exhaust Parts Catalog

Coming Soon

Catalog of genuine Acura exhaust components, including part numbers, pricing, and compatibility information.

Exhaust System Warranty Information

Coming Soon

Detailed information on warranty coverage for the exhaust system and implications of aftermarket modifications.

About the Author

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Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

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