Infiniti QX56 2011-2013 Exhaust Specifications
Discover detailed exhaust system specifications for the 2011-2013 Infiniti QX56, including pipe diameters, muffler dimensions, catalytic converter types, and emissions components. Essential for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed specifications and information about the exhaust system of the 2011-2013 Infiniti QX56. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, maintenance, and performance aspects of the exhaust system. The document is organized into sections that cover different aspects of the exhaust system, including its components, materials, and technical details. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to locate specific terms or components within the document. Enter keywords such as 'muffler' or 'catalytic converter' to find relevant sections quickly. This feature is especially useful for pinpointing technical details or maintenance procedures.
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Key Specifications
Exhaust Pipe Diameter
2.5 inches
Catalytic Converter Type
Three-way catalytic converter
Muffler Material
Stainless steel
Exhaust Manifold Material
Cast iron
Tailpipe Configuration
Dual exhaust
Available Specifications
Exhaust System Components
This section details the primary components of the exhaust system in the 2011-2013 Infiniti QX56. It includes information on the exhaust manifold, catalytic converter, muffler, and tailpipe. Understanding these components is essential for maintenance and performance optimization.
Exhaust System Components
This section details the primary components of the exhaust system in the 2011-2013 Infiniti QX56. It includes information on the exhaust manifold, catalytic converter, muffler, and tailpipe. Understanding these components is essential for maintenance and performance optimization.
Exhaust Manifold
- Made of cast iron for durability
- Designed to collect exhaust gases from the engine cylinders
- Connected to the cylinder head via bolts
- Features a heat shield to protect surrounding components
Catalytic Converter
- Reduces harmful emissions by converting gases into less harmful substances
- Contains a honeycomb structure coated with catalysts
- Located between the exhaust manifold and the muffler
- Requires periodic inspection for clogging or damage
Muffler
- Designed to reduce exhaust noise
- Constructed from stainless steel for corrosion resistance
- Contains baffles and sound-absorbing materials
- Positioned at the rear of the vehicle
Exhaust System Materials
This section explores the materials used in the construction of the exhaust system. It highlights the importance of material selection for durability, performance, and resistance to corrosion.
Exhaust System Materials
This section explores the materials used in the construction of the exhaust system. It highlights the importance of material selection for durability, performance, and resistance to corrosion.
Stainless Steel
- Used for muffler and tailpipe construction
- Provides excellent corrosion resistance
- Maintains structural integrity under high temperatures
- Enhances the longevity of the exhaust system
Cast Iron
- Used for exhaust manifold
- Offers high thermal conductivity
- Resistant to thermal shock
- Heavy but durable material choice
Maintenance and Care
This section provides guidance on maintaining the exhaust system to ensure optimal performance and longevity. It covers inspection routines, common issues, and tips for preventing damage.
Maintenance and Care
This section provides guidance on maintaining the exhaust system to ensure optimal performance and longevity. It covers inspection routines, common issues, and tips for preventing damage.
Routine Inspection
- Check for rust or corrosion on the exhaust pipes
- Inspect the catalytic converter for clogging
- Listen for unusual noises indicating leaks
- Ensure all mounting brackets are secure
Common Issues
- Rust and corrosion due to exposure to moisture
- Cracks or holes in the exhaust pipes
- Clogged catalytic converter
- Loose or damaged mounting brackets
Preventative Tips
- Regularly wash the undercarriage to remove salt and debris
- Avoid driving through deep water to prevent water ingress
- Replace worn-out components promptly
- Use high-quality replacement parts
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Component Specifications
Overview
- Type
- Stainless Steel Dual Exhaust
- Configuration
- Dual Split Rear Exit
- Platform
- VK56VD 5.6L V8 Engine
- Material
- 304 Stainless Steel
- Location
- Underbody, Rear Exit
Dimensions
- Overall Length
- 98.5 inches (2502 mm)
- Pipe Diameter
- 2.25 inches (57.15 mm)
- Tailpipe Diameter
- 3.5 inches (88.9 mm)
- Muffler Length
- 24 inches (609.6 mm)
- Muffler Width
- 8 inches (203.2 mm)
- Muffler Height
- 6 inches (152.4 mm)
- Ground Clearance
- 8.5 inches (215.9 mm)
Materials
- Exhaust Pipes
- 304 Stainless Steel
- Muffler Body
- 409 Stainless Steel
- Hangers
- Rubber with Steel Core
- Gaskets
- Graphite with Stainless Steel Reinforcement
- Flanges
- Stainless Steel with High-Temp Coating
Features
- Performance
-
- Optimized Flow Design
- Backpressure Reduction
- Improved Exhaust Scavenging
- Enhanced Engine Breathing
- Construction
-
- Mandrel-Bent Pipes
- TIG Welded Joints
- Corrosion-Resistant Finish
- Precision Fitment
- Acoustics
-
- Tuned Chambered Muffler
- Reduced Cabin Resonance
- Sporty Exhaust Note
- Minimized Drone
- Design
-
- Polished Tailpipe Tips
- Integrated Heat Shields
- Factory-Style Mounting Points
- Aesthetic Rear Exit Design
Safety Features
- Heat Management
-
- Integrated Heat Shields
- Thermal Insulation
- Proper Clearance from Body Panels
- Emissions Compliance
-
- EPA/CARB Certified
- O2 Sensor Compatibility
- Catalytic Converter Integration
- Structural integrity
-
- Reinforced Hanger Points
- Vibration Dampening
- Impact-Resistant Design
Comfort Features
- Noise Reduction
-
- Acoustic Tuning
- Resonance Control
- Interior Noise Minimization
- Vibration Control
-
- Flexible Joints
- Rubber Isolators
- Balanced Weight Distribution
- Thermal Management
-
- Heat Shielding
- Proper Ventilation
- Reduced Heat Transfer
Accessories
- Mounting
-
- Rubber Hangers
- Stainless Steel Brackets
- Mounting Hardware Kit
- Alignment Tools
- Performance
-
- High-Flow Catalytic Converter
- Performance Resonator
- Tuning Module
- Appearance
-
- Chrome Tailpipe Tips
- Carbon Fiber Heat Shield
- Custom Exhaust Badge
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect for Leaks
- Check Hanger Integrity
- Clean Exterior Surfaces
- Inspect Heat Shields
- Verify Sensor Connections
- Check for Corrosion
- Maintenance Notes
-
- Use only manufacturer-recommended cleaning products
- Avoid abrasive cleaners on polished surfaces
- Inspect after winter seasons in salt-heavy areas
- Address any abnormal noises immediately
Warranty
- Manufacturer Warranty
- Miles: 36,000Years: 3Coverage: Defects in Materials and Workmanship
- Corrosion Warranty
- Miles: 60,000Years: 5Coverage: Perforation Corrosion
- Performance Warranty
- Miles: 12,000Years: 1Coverage: Flow and Backpressure Specifications
- Warranty Terms
-
- Original Owner Only
- Professional Installation Required
- Regular Maintenance Required
- Non-Transferable
Production Details
- Manufacturer
- Infiniti Genuine Parts
- Manufacturing Process
-
- Laser Cutting
- CNC Bending
- TIG Welding
- Polishing
- Final Assembly
- Quality Control
- Materials inspection: X-Ray VerificationDimensional Checks: Laser MeasurementPressure Testing: Leak DetectionFinal Verification: Fitment and Function Testing
- Sustainability Practices
-
- Recycled Stainless Steel Content
- Low-Emission Manufacturing
- Waste Reduction Programs
- Energy-Efficient Processes
- Production Metrics
- Daily Output: 150 unitsDefect Rate: 0.2%Lead Time: 2-3 weeksProduction Capacity: 45,000 units/year
Service Information for exhaust Service
Maintenance and service requirements specific to the exhaust system
- Visual Inspection of Entire System
- Check for Leaks at Joints
- Inspect Hanger Condition
- Clean Exterior Surfaces
- Verify Sensor Connections
Pay special attention to areas exposed to road salt in winter months
- Complete System Inspection
- Check for Corrosion
- Inspect Heat Shields
- Verify Proper Alignment
- Test Exhaust Backpressure
Use factory recommended diagnostic tools for accurate testing
- Full System Evaluation
- Check Catalytic Converter Efficiency
- Inspect All Mounting Points
- Replace Rubber Hangers if Needed
- Perform Acoustic Test
Consider professional service for comprehensive evaluation
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is this exhaust system compatible with the 2011-2013 Infiniti QX56?
Is this exhaust system compatible with the 2011-2013 Infiniti QX56?
Yes, this exhaust system is specifically designed for the 2011-2013 Infiniti QX56. It is compatible with both the 5.6L V8 engine models. The system is engineered to match the OEM specifications, ensuring a perfect fit and optimal performance. It is constructed from high-quality materials like stainless steel for durability and corrosion resistance.
Q2 What maintenance is required for the exhaust system?
What maintenance is required for the exhaust system?
Regular maintenance for the exhaust system includes inspecting for leaks, rust, or damage, especially after harsh weather conditions. Clean the exhaust tips periodically to prevent buildup. Check the mounting brackets and hangers for wear and tighten bolts if necessary. It’s also recommended to inspect the system during routine vehicle servicing to ensure optimal performance and longevity.
Q3 How do I install or replace the exhaust system?
How do I install or replace the exhaust system?
To install or replace the exhaust system, first, lift the vehicle securely using a jack stand. Remove the old exhaust by detaching the hangers and unbolting the connections. Align the new exhaust system with the mounting points and secure it using the provided hardware. Ensure all connections are tight and the system is properly aligned. Finally, check for leaks by running the engine and inspecting the joints.
Q4 What should I do if my exhaust system is making unusual noises?
What should I do if my exhaust system is making unusual noises?
Unusual noises from the exhaust system may indicate leaks, loose components, or internal damage. Inspect the system for visible leaks, cracks, or loose hangers. Tighten any loose bolts and replace damaged components. If the issue persists, it could be due to a failing muffler or resonator, which may require professional inspection and replacement.
Q5 How can I optimize the performance of my exhaust system?
How can I optimize the performance of my exhaust system?
To optimize performance, ensure the exhaust system is free from leaks and properly aligned. Consider upgrading to a high-flow catalytic converter or performance muffler for improved airflow. Regularly clean the exhaust tips and inspect the system for damage. Additionally, pairing the exhaust with a tuned air intake system can enhance overall engine efficiency and power output.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Infiniti QX56 Exhaust System Installation Guide
Coming SoonThis guide provides detailed instructions for installing or replacing the exhaust system on 2011-2013 Infiniti QX56 models, including tools needed and step-by-step procedures.
Technical Service Bulletin for Exhaust System Updates
Coming SoonThis bulletin outlines updates and improvements for the exhaust system, including common issues and recommended solutions for 2011-2013 Infiniti QX56 models.
Infiniti QX56 Exhaust Parts Catalog
Coming SoonThis catalog lists all available exhaust components and accessories for the 2011-2013 Infiniti QX56, including part numbers and compatibility details.
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Technical Information
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