Infiniti FX35 2003-2008 Exhaust Specifications
Explore detailed exhaust system specifications for the 2003-2008 Infiniti FX35, including pipe sizes, muffler details, and catalytic converter information. Ideal for repairs, maintenance, and performance upgrades.
Overview Specifications
This document provides detailed specifications and information about the exhaust system of the 2003-2008 Infiniti FX35. It is designed to assist owners, mechanics, and enthusiasts in understanding the components, performance, and maintenance of the exhaust system. Use the search functionality to quickly locate specific details or navigate through the sections for a comprehensive understanding of the exhaust system.
How to Use
Use the search bar to enter keywords related to the exhaust system, such as 'muffler' or 'catalytic converter'. The search results will highlight relevant sections and subsections for quick access.
Scroll through the document to explore major sections like 'Exhaust Components', 'Performance Specifications', and 'Maintenance Tips'. Each section contains subsections with detailed technical points for easy reference.
Key Specifications
Exhaust Pipe Diameter
2.5 inches
Muffler Weight
15 lbs
Catalytic Converter Weight
20 lbs
Maximum Flow Rate
450 CFM
Idle Sound Level
65 dB
Available Specifications
Exhaust Components
This section outlines the key components of the Infiniti FX35 exhaust system, including the muffler, catalytic converter, exhaust pipes, and sensors. Understanding these parts is essential for diagnosing issues and performing repairs.
Exhaust Components
This section outlines the key components of the Infiniti FX35 exhaust system, including the muffler, catalytic converter, exhaust pipes, and sensors. Understanding these parts is essential for diagnosing issues and performing repairs.
Muffler
- Dual exhaust muffler design for enhanced performance
- Stainless steel construction for durability
- Reduces exhaust noise to acceptable levels
- Located at the rear of the vehicle
- Compatible with aftermarket performance mufflers
- Weight: Approximately 15 lbs
Catalytic Converter
- OEM catalytic converter made of ceramic substrate
- Reduces harmful emissions by converting pollutants
- Located between the exhaust manifold and muffler
- Designed to meet strict emissions standards
- Replacement interval: Typically 100,000 miles
- Weight: Approximately 20 lbs
Exhaust Pipes
- 2.5-inch diameter pipes for optimal flow
- Stainless steel material for corrosion resistance
- Includes flex pipe for vibration absorption
- Connects catalytic converter to muffler
- Heat shields installed for safety
- Total length: Approximately 10 feet
Performance Specifications
This section provides technical details about the exhaust system's performance, including flow rates, backpressure, and sound levels. These specifications are crucial for evaluating the system's efficiency and potential upgrades.
Performance Specifications
This section provides technical details about the exhaust system's performance, including flow rates, backpressure, and sound levels. These specifications are crucial for evaluating the system's efficiency and potential upgrades.
Flow Rate
- Maximum flow rate: 450 CFM (cubic feet per minute)
- Optimized for the 3.5L V6 engine
- Supports up to 280 horsepower output
- Aftermarket systems can increase flow rate
- Flow rate tested at 6,000 RPM
- Pressure drop: 1.5 psi at full load
Backpressure
- Standard backpressure: 2.0 psi
- Low backpressure design for better performance
- Measured at the exhaust manifold
- Excessive backpressure can reduce engine efficiency
- Aftermarket systems may reduce backpressure
- Optimal range: 1.5-2.5 psi
Sound Levels
- Idle sound level: 65 dB
- Full throttle sound level: 85 dB
- Designed for a sporty yet refined exhaust note
- Aftermarket mufflers can increase sound levels
- Complies with federal noise regulations
- Sound tested at 3 feet from exhaust tip
Maintenance Tips
This section offers practical advice for maintaining the exhaust system, including inspection intervals, common issues, and replacement recommendations. Proper maintenance ensures longevity and optimal performance.
Maintenance Tips
This section offers practical advice for maintaining the exhaust system, including inspection intervals, common issues, and replacement recommendations. Proper maintenance ensures longevity and optimal performance.
Inspection Intervals
- Inspect exhaust system every 12,000 miles
- Check for rust, cracks, and leaks
- Inspect hangers and brackets for wear
- Verify catalytic converter efficiency
- Listen for unusual noises or rattles
- Use a smoke test for leak detection
Common Issues
- Rust and corrosion in cold climates
- Cracked or broken exhaust pipes
- Failed oxygen sensors
- Clogged catalytic converter
- Loose or damaged heat shields
- Excessive noise due to muffler damage
Replacement Recommendations
- Replace muffler if noise levels increase significantly
- Replace catalytic converter if emissions fail
- Use OEM or high-quality aftermarket parts
- Replace oxygen sensors every 60,000 miles
- Inspect and replace gaskets as needed
- Consider upgrading to a performance exhaust system
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Component Specifications
Overview
- Type
- Dual exhaust system
- Configuration
- Rear-mounted, dual outlet
- Platform
- 2003-2008 Infiniti FX35
- Material
- Stainless steel
- Location
- Underbody, rear section
Dimensions
- Pipe Diameter
- 2.5 inches (63.5 mm)
- Overall Length
- 78 inches (1981 mm)
- Tailpipe Length
- 12 inches (305 mm)
- Muffler Length
- 24 inches (610 mm)
- Muffler Diameter
- 6 inches (152 mm)
- Catalyst Length
- 18 inches (457 mm)
- Catalyst Diameter
- 4 inches (102 mm)
Materials
- Pipes
- 409 stainless steel
- Muffler
- 304 stainless steel
- Catalyst
- Ceramic substrate with stainless steel casing
- Hangers
- Rubber with steel reinforcement
- Gaskets
- Graphite and stainless steel
Features
- Performance
-
- Optimized backpressure for V6 engine
- Enhanced exhaust flow
- Reduced turbo lag (if applicable)
- Improved horsepower and torque
- Durability
-
- Corrosion-resistant stainless steel
- Heat-resistant coatings
- Reinforced hangers
- Vibration dampening
- Sound
-
- Tuned muffler for sporty tone
- Reduced cabin noise
- Minimized drone at highway speeds
- Balanced exhaust note
- Emissions
-
- EPA-compliant catalytic converter
- Oxygen sensor integration
- Low emissions design
- Efficient exhaust gas recirculation
- Aesthetics
-
- Polished stainless steel tips
- Dual symmetrical outlets
- Integrated rear bumper design
- Brand-specific styling
Safety Features
- Heat Management
-
- Heat shields for underbody protection
- Thermal insulation for nearby components
- Cooling fins on muffler
- Structural integrity
-
- Reinforced mounting points
- Crush-resistant piping
- Flexible joints for vibration absorption
- Emissions Compliance
-
- OBD-II compatible
- Catalytic converter efficiency monitoring
- Leak detection system
Comfort Features
- Noise Reduction
-
- Acoustic dampening in muffler
- Resonator for smooth exhaust flow
- Minimized vibration transfer
- Heat Management
-
- Underbody heat shields
- Thermal barriers near passenger cabin
- Cooled exhaust tips
- Aesthetics
-
- Polished exhaust tips
- Integrated rear bumper design
- Symmetrical dual outlets
Accessories
- Performance Upgrades
-
- High-flow catalytic converter
- Aftermarket muffler options
- Performance exhaust tips
- Maintenance Tools
-
- Exhaust hanger removal tool
- Gasket replacement kit
- Oxygen sensor socket
- Protection
-
- Exhaust wrap for heat management
- Underbody rust protection spray
- Heat shield repair kits
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect exhaust system for leaks
- Check hangers and mounts
- Inspect catalytic converter
- Test oxygen sensors
- Clean exhaust tips
- Maintenance Notes
- Regularly check for rust or corrosion, especially in winter climates.
Warranty
- Manufacturer Warranty
- Miles: 60,000Years: 5Coverage: Defects in materials and workmanship
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Catalytic converter and oxygen sensors
- Corrosion Warranty
- Miles: UnlimitedYears: 7Coverage: Perforation due to rust
- Extended Warranty
- Miles: 100,000Years: 10Coverage: Optional extended coverage for exhaust components
Production Details
- Manufacturer
- Infiniti/Nissan
- Manufacturing Process
-
- Laser-cut stainless steel pipes
- Robotic welding for precision
- Automated quality inspection
- Quality Control
- Pressure Testing: 100% tested for leaksMaterial inspection: X-ray and ultrasonic testingFitment Checks: Vehicle-specific jigs
- Sustainability Practices
-
- Recycled stainless steel usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Production: 50,000 unitsLead Time: 4-6 weeksDefect Rate: <0.1%
Service Information for exhaust Service
Maintenance and service requirements specific to this component
- Inspect exhaust system for leaks
- Check hangers and mounts
- Inspect catalytic converter
- Test oxygen sensors
- Clean exhaust tips
Ensure proper torque on all exhaust clamps and bolts.
- Replace exhaust gaskets
- Inspect heat shields
- Check for corrosion
- Test exhaust backpressure
- Inspect flex pipe
Use OEM gaskets for proper sealing.
- Replace oxygen sensors
- Inspect catalytic converter efficiency
- Check muffler integrity
- Replace worn hangers
- Perform full exhaust system inspection
Consider replacing the entire exhaust system if multiple components show wear.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the exhaust system compatible with both 2003-2008 Infiniti FX35 models?
Is the exhaust system compatible with both 2003-2008 Infiniti FX35 models?
Yes, the exhaust system is specifically designed to be compatible with all Infiniti FX35 models manufactured between 2003 and 2008. It adheres to the original equipment specifications, ensuring proper fitment and performance. The system includes all necessary components such as the muffler, pipes, and catalytic converter, and is engineered to meet OEM standards for durability and emissions compliance.
Q2 What maintenance is required for the Infiniti FX35 exhaust system?
What maintenance is required for the Infiniti FX35 exhaust system?
Regular maintenance for the Infiniti FX35 exhaust system includes inspecting for rust, cracks, or leaks every 12 months or 12,000 miles. Ensure all connections and hangers are secure. Cleaning the exterior with a mild detergent can prevent corrosion. If you notice unusual noises or reduced performance, have the system inspected by a professional. Replacing worn components promptly can prevent further damage and maintain optimal performance.
Q3 How do I install or replace the exhaust system on a 2003-2008 Infiniti FX35?
How do I install or replace the exhaust system on a 2003-2008 Infiniti FX35?
To install or replace the exhaust system, first, lift the vehicle securely using a jack and stands. Remove the old exhaust by detaching the hangers and unbolting the connections. Align the new exhaust system, ensuring proper fitment, and secure it using the provided hardware. Tighten all bolts to the manufacturer's torque specifications. Finally, check for leaks by running the engine and inspecting the connections. Professional installation is recommended for optimal results.
Q4 What should I do if my Infiniti FX35 exhaust system is making unusual noises?
What should I do if my Infiniti FX35 exhaust system is making unusual noises?
Unusual noises from the exhaust system, such as rattling or hissing, often indicate loose components, leaks, or damaged parts. Inspect the system for loose hangers, cracks, or holes. Tighten any loose bolts and replace damaged components. If the issue persists, consult a professional mechanic to diagnose and repair the problem. Ignoring these symptoms can lead to reduced performance and increased emissions.
Q5 How can I optimize the performance of my Infiniti FX35 exhaust system?
How can I optimize the performance of my Infiniti FX35 exhaust system?
To optimize performance, consider upgrading to a high-flow catalytic converter or performance muffler. Ensure the exhaust system is free of leaks and properly aligned. Regularly clean the exterior to prevent corrosion. Using premium fuel and maintaining the engine can also enhance exhaust efficiency. For advanced tuning, consult a professional to ensure compatibility and avoid voiding warranties.
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 FX35 Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the 2003-2008 Infiniti FX35, including exhaust system repairs and replacements.
Technical Service Bulletin: Exhaust System Updates
Coming SoonThis bulletin outlines updates and improvements to the exhaust system for the 2003-2008 Infiniti FX35, including part revisions and installation tips.
Infiniti FX35 Parts Catalog
Coming SoonThis catalog lists all OEM and aftermarket parts available for the 2003-2008 Infiniti FX35, including exhaust components and accessories.
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Technical Information
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