Infiniti Q45 Exhaust - 2003

2003 Infiniti Q45 Exhaust Systems

  • Original (OEM) - Exhaust Parts
    Original (OEM)Exhaust Parts
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    The exhaust system is vital to your engine's health and performance since it is responsible for carrying exhaust gases away from the vehicle. The system has many parts connecting it to the engine. All of them perform a special function...
  • AP Exhaust® - Direct Fit Exhaust Manifold with Integrated Catalytic Converter
    AP Exhaust®Direct Fit Exhaust Manifold with Integrated Catalytic Converter
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    # 5280773103
    Infiniti Q45 2003, Direct Fit Exhaust Manifold with Integrated Catalytic Converter by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product...
    5-year / 50,000-mile warranty on converterSpecifically engineered for Manifold Converter equipped vehicles
    $570.95 - $579.98
  • Dorman® - Stainless Steel Natural Exhaust Manifold with Integrated Catalytic Converter
    Dorman®Stainless Steel Natural Exhaust Manifold with Integrated Catalytic Converter
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    # 868948297
    Infiniti Q45 2003, Natural Stainless Steel Exhaust Manifold with Integrated Catalytic Converter by Dorman®. Color: Natural. Header Coating: Uncoated. More like a complete kit than a single part, many of the Exhaust Manifolds include...
    Includes heat-shield for protection of hoses, wiring, and other engine componentsConstruction protects against warping and/or cracking
    $541.46 - $579.16
  • TruParts® - Exhaust Pipe Flange Gasket
    TruParts®Exhaust Pipe Flange Gasket
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    # 3943979848
    Infiniti Q45 with California Emission / with Federal Emission 2003, Exhaust Pipe Flange Gasket by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from...
    Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition
    $1.73 - $5.64
  • AP Exhaust® - Replacement Exhaust Kit
    AP Exhaust®Replacement Exhaust Kit
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    # 165480117
    Infiniti Q45 2003, Replacement Exhaust Kit by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or...
    Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape
    $137.74 - $579.98
  • Davico® - Exhaust Manifold with Integrated Catalytic Converter
    Davico®Exhaust Manifold with Integrated Catalytic Converter
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    # 902506000
    Infiniti Q45 2003, Exhaust Manifold with Integrated Catalytic Converter by Davico®. This product by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job,...
    Helps your vehicle emit harmless gasesDirect OEM replacement
    $540.25 - $729.53
  • AP Exhaust® - 608 Series Universal Fit Oval Body Catalytic Converter
    AP Exhaust®608 Series Universal Fit Oval Body Catalytic Converter
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    # 81398135
    Infiniti Q45 2003, 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With 1 Center O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic...
    $137.74
  • MagnaFlow® - OEM Grade Exhaust Manifold with Integrated Catalytic Converter
    MagnaFlow®OEM Grade Exhaust Manifold with Integrated Catalytic Converter
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    # 271000170
    Infiniti Q45 2003, OEM Grade Exhaust Manifold with Integrated Catalytic Converter by MagnaFlow®. Primary Tubing Diameter: 1.75". Collector Outlet Diameter: 2.25". Color: Silver. Header Coating: Uncoated. If your car needs replacement,...
    Reduces harmful emissionsPhysically part of the exhaust header/manifold assembly
    $608.00 - $620.00
  • CATCO® - OBDII Universal Fit Catalytic Converter
    CATCO®OBDII Universal Fit Catalytic Converter
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    # 2997116276
    Infiniti Q45 with California Emission / with Federal Emission 2003, OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Without Donut Gasket at Inlet. Designed and manufactured with innovative fabrication...
    $229.61
  • Infiniti OE - Exhaust System - Exhaust Components
    Infiniti OEExhaust System - Exhaust Components
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    # 2877456973
    Infiniti Q45 2003, Exhaust System - Exhaust Components by Infiniti OE. Maintain the level of performance you and your Infiniti deserve with Infiniti OE parts. Made to strict quality standards and original specifications, genuine Infiniti...
    Genuine OE parts that match the quality and function you expect from InfinitiDesigned to restore and maintain the exceptional look and feel of your vehicle
    $20.62 - $2,138.43
  • AP Exhaust® - Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck
    AP Exhaust®Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck
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    # 2494353787
    Universal Xlerator Performance Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not...
    Deep performance soundIncreased exhaust flow
    $25.34 - $62.13
  • iD Select® - ECO II Universal Fit Catalytic Converter
    iD Select®ECO II Universal Fit Catalytic Converter
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    # 3699059879
    Universal ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Overall Length: 16". Swap out your worn-out or malfunctioning part with this top-notch exhaust product from iD Select....
    $132.17 - $138.70
  • Different Trend® - Flow II Series Stainless Steel Oval Gray Exhaust Muffler
    Different Trend®Flow II Series Stainless Steel Oval Gray Exhaust Muffler
    4
    # 865850565
    Universal Flow II Series Stainless Steel Oval Gray Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer...
    $40.43 - $115.26
  • Skunk2® - MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler (3" Center ID, 5.25" Center OD, 22" Length)
    Skunk2®MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler (3" Center ID, 5.25" Center OD, 22" Length)
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    # mpn4498130511
    Universal MegaPower™ Stainless Steel Round J-SPEC Silver Exhaust Muffler by Skunk2®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 5.25". Muffler Body Length: 22". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler...
    $192.46
  • Skunk2® - MegaPower™ Stainless Steel Silver Exhaust Muffler
    Skunk2®MegaPower™ Stainless Steel Silver Exhaust Muffler
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    # 865853573
    Universal MegaPower™ Stainless Steel Silver Exhaust Muffler by Skunk2®. Muffler Outlet Diameter: 4". Muffler Body Length: 19". Muffler Sound: Moderate. Muffler Structure: Multi Core. Muffler Configuration: Center - Center. Skunk2...
    $192.46
  • AP Exhaust® - Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)
    AP Exhaust®Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck (3" Dual ID, 3" Dual OD, 24.5" Length)
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    # mpn4498129559
    Universal Challenge Series Aluminized Steel Oval Exhaust Muffler with Inlet/Outlet Neck by AP Exhaust®. Muffler Inlet Diameter: 3". Muffler Outlet Diameter: 3". Muffler Body Length: 24.5". Muffler Overall Length: 29". Muffler...
    Limited Lifetime Warranty backed by AP Exhaust Products100% aluminized components
    $134.18
  • Kooks® - Stainless Steel Round Stafford Spec Silver Exhaust Muffler (3.5" ID, 3.5" OD, 10" Length)
    Kooks®Stainless Steel Round Stafford Spec Silver Exhaust Muffler (3.5" ID, 3.5" OD, 10" Length)
    1
    # mpn4498131507
    Universal Stainless Steel Round Stafford Spec Silver Exhaust Muffler by Kooks®. Muffler Inlet Diameter: 3.5". Muffler Outlet Diameter: 3.5". Muffler Body Length: 10". Muffler Overall Length: 15.5". Muffler Sound: Aggressive / Loud. This...
    $64.02
  • Black Widow® - Neighborhater™ Stainless Steel Oval Gray Exhaust Muffler
    Black Widow®Neighborhater™ Stainless Steel Oval Gray Exhaust Muffler
    2
    # 4861541839
    Universal Neighborhater™ Stainless Steel Oval Gray Exhaust Muffler by Black Widow®. Muffler Body Length: 6". Muffler Sound: Aggressive / Loud. Muffler Configuration: Center - Center. This superior Black Widow product is just for you....
    $114.00 - $124.00
  • Eastern Catalytic® - Universal Fit Catalytic Converter
    Eastern Catalytic®Universal Fit Catalytic Converter
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    # 1370431106
    Universal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Contains approximately 40% higher precious metal content than most other aftermarket brands. Aristo Intelligent Catalyst Technology provides...
    $284.43 - $462.25
  • Eastern Catalytic® - Universal Fit Large Oval Body Catalytic Converter
    Eastern Catalytic®Universal Fit Large Oval Body Catalytic Converter
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    # 1370431122
    Universal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Large Oval. Catalytic Converter Overall Length: 16". Whether your catalytic converter is damaged by road debris...
    $175.93 - $259.76
  • Eastern Catalytic® - Universal Fit Oval Body Catalytic Converter
    Eastern Catalytic®Universal Fit Oval Body Catalytic Converter
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    # 1370431123
    Universal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...
    $120.09 - $190.63
  • Eastern Catalytic® - Universal Fit Round Body Catalytic Converter
    Eastern Catalytic®Universal Fit Round Body Catalytic Converter
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    # 1370431128
    Universal Catalytic Converter by Eastern Catalytic®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Whether your catalytic converter is damaged by road debris or failed due to an engine problem, you...
    $151.91 - $181.15
  • Walker® - Steel Oval Installer Turbo Aluminized Exhaust Muffler
    Walker®Steel Oval Installer Turbo Aluminized Exhaust Muffler
    3
    # 2494286793
    Universal Steel Oval Installer Turbo Aluminized Exhaust Muffler by Walker®. These mufflers combine Walker® quality and engineering with solution-driven technology to absorb unwanted engine and engine brake noise without sacrificing...
    Specifically Engineered for Class 7 and 8 vehiclesA bolt-on Solution for Excessive Engine Brake Noise
    $31.89 - $39.55
  • AP Exhaust® - Standard Duty Spun Body Universal Fit Round Body Catalytic Converter
    AP Exhaust®Standard Duty Spun Body Universal Fit Round Body Catalytic Converter
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    # 1370431118
    Universal Standard Duty Spun Body Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market...
    $101.22 - $250.00
  • Walker® - Pro-Fit Economy™ Steel Exhaust Muffler
    Walker®Pro-Fit Economy™ Steel Exhaust Muffler
    4
    # 2494294797
    Universal Pro-Fit Economy™ Steel Exhaust Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel Pro Fit Mufflers with universal fit options available,...
    Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design
    $19.22 - $42.34
  • AP Exhaust® - Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler
    AP Exhaust®Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler
    1
    # 5498025255
    Universal Enforcer Series Aluminized Steel Round Glass Pack Exhaust Muffler by AP Exhaust®. Muffler Structure: Straight-through. Muffler Configuration: Center - Center. Today’s exhaust performance market continues to cover a broad...
    Aluminized materials for superior corrosion protectionIdeal for the economy buyer
    $13.46 - $38.58
  • Different Trend® - Oval Exhaust Muffler
    Different Trend®Oval Exhaust Muffler
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    # 865818566
    Universal Oval Exhaust Muffler by Different Trend®. Muffler Sound: Moderate. Different Trend provides variety of product selections, premium quality products, superior value, and the best in customer service. This product is made of...
    $26.87 - $42.35
  • Different Trend® - Stainless Steel Resonator Muffler
    Different Trend®Stainless Steel Resonator Muffler
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    # 865766588
    Universal Stainless Steel Resonator Muffler by Different Trend®. Resonator Sound: Moderate. Resonator Configuration: Center - Center. Different Trend provides variety of product selections, premium quality products, superior value, and...
    $29.47 - $72.47
  • AP Exhaust® - 608 Series Universal Fit Catalytic Converter
    AP Exhaust®608 Series Universal Fit Catalytic Converter
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    # 1370431115
    Universal 608 Series Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Without Air Tube. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is...
    $104.68 - $349.65
  • Walker® - SoundFX™ Steel Exhaust Muffler
    Walker®SoundFX™ Steel Exhaust Muffler
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    # 2494395328
    Universal SoundFX™ Steel Exhaust Muffler by Walker®. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX Mufflers with direct fit and universal fit options...
    Designed to deliver ultimate performance and pleasing sound qualityMay require a few modifications to install
    $27.75 - $61.84




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2003 Infiniti Q45 Exhaust Reviews

2 reviews
Non-returnable. You own it, even if it doesn't fit.
Posted by Zachary (Ontario, NY) / March 09, 20212006 Dodge Charger
2003 Infiniti Q45 Models
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