2003 Infiniti QX4 Exhaust Systems
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Walker®Stainless Steel Round Aluminized Resonator AssemblyInfiniti QX4 2003, Stainless Steel Round Aluminized Resonator Assembly by Walker®. Resonator Inlet Diameter: 2". Resonator Outlet Diameter: 2". Resonator Body Length: 10". If you want exhaust piping that delivers precise OE-style fit,...Designed to directly replace the factory partMade with precision benders and fixture checked$102.86 - $102.87 - MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterInfiniti QX4 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter will directly...$328.00 - $441.00
- Walker®CalCat™ Direct Fit Round Body Catalytic ConverterInfiniti QX4 Engine Family # 3NSXT03.5C7A 2003, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall...$805.18 - $889.25
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyInfiniti QX4 2003, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. Position: Rear Passenger Side. Catalytic Converter Overall Length: 24.75". This direct-fit catalytic converter by Davico will be a...$318.56
- Walker®Quiet-Flow™ Stainless Steel Aluminized Exhaust Muffler and Pipe AssemblyInfiniti QX4 2003, Quiet-Flow™ Stainless Steel Aluminized Exhaust Muffler and Pipe Assembly by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features 100% structural stainless steel construction that resists...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$77.62 - $136.28
- AP Exhaust®Direct Fit Catalytic ConverterInfiniti QX4 2003, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique...$357.24 - $378.40
- Davico®Direct Fit Catalytic ConverterInfiniti QX4 2003, Catalytic Converter by Davico®. Converter Configuration: Direct Fit. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...$252.59 - $320.36
- Dorman®Cast Iron Natural Exhaust ManifoldInfiniti QX4 2003, Natural Cast Iron Exhaust Manifold by Dorman®. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$96.33 - $104.85
- Walker®SoundFX™ Steel Direct-Fit Aluminized Exhaust MufflerInfiniti QX4 2003, SoundFX™ Steel Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. This muffler is the right choice if you opt for quality acoustics and performance. Walker offers 100% aluminized steel SoundFX™ Mufflers...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$64.18 - $88.19
- Walker®Replacement Exhaust KitInfiniti QX4 2003, Replacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$64.18 - $889.25
- MagnaFlow®Heavy Metal Universal Fit Oval Body Catalytic ConverterInfiniti QX4 2003, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$222.00
- MagnaFlow®OEM Grade Universal Fit Oval Body Catalytic ConverterInfiniti QX4 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$231.00
- Walker®Ultra™ Direct Fit Catalytic ConverterInfiniti QX4 2003, Ultra™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker, an industry leader, for the finest emission control...$355.76 - $404.74
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterInfiniti QX4 2003, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter is part of the...$344.00 - $463.00
- iD Select®ECO II Universal Fit Oval Body Catalytic ConverterInfiniti QX4 2003, ECO II Catalytic Converter by iD Select®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$112.08
- AP Exhaust®Welded Aluminized Steel Exhaust Muffler and Pipe AssemblyInfiniti QX4 2003, Welded Aluminized Steel Exhaust Muffler and Pipe Assembly 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...Aluminized components for longer lifeOriginal equipment appearance and performance$103.62 - $184.56
- TruParts®Exhaust Pipe Flange GasketInfiniti QX4 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$1.36 - $6.21
- iD Select®Standard Direct Fit Catalytic Converter and Pipe AssemblyInfiniti QX4 2003, Standard Catalytic Converter and Pipe Assembly by iD Select®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. Swap out your worn-out or malfunctioning part with this top-notch exhaust...$286.27 - $310.54
- DIY Solutions®Direct Fit Catalytic ConverterInfiniti QX4 2003, Catalytic Converter by DIY Solutions®. Converter Configuration: Direct Fit. Position: Front. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what...$439.57
- Davico®Exhaust MufflerInfiniti QX4 2003, Exhaust Muffler by Davico®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...High quality at an affordable priceExpertly made from premium materials$64.26
- CATCO®Direct Fit Catalytic ConverterInfiniti QX4 with California Emission / with Federal Emission 2003, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Without O2 Sensor Port. Designed and manufactured with innovative fabrication methods, high-tech...$437.36 - $477.04
- Eastern Catalytic®ECO II Direct Fit Pre-Cat Catalytic ConverterInfiniti QX4 2003, ECO II Pre-Cat Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Without O2 Sensor Port. If you need to replace your failed or damaged catalytic converter, this product is the right...$358.64 - $379.85
- Eastern Catalytic®Standard Direct Fit Catalytic ConverterInfiniti QX4 2003, Standard Catalytic Converter by Eastern Catalytic®. Converter Configuration: Direct Fit. Location: Undercar. With 1 O2 Sensor Port. If you need to replace your failed or damaged catalytic converter, this product is...$304.12 - $319.56
- BRExhaust®Replacement Exhaust KitInfiniti QX4 2003, Replacement Exhaust Kit by BRExhaust®. Get confidence with this high-standard OE quality purchase which is perfect for those who want to perform a long-lasting exhaust system repair. Made from top-notch materials,...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$39.39 - $258.78
- TruParts®Exhaust System HangerInfiniti QX4 with California Emission / with Federal Emission 2003, Exhaust System Hanger 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 the...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$4.77
- HJS®Exhaust Pipe Connector GasketInfiniti QX4 2003, Exhaust Pipe Connector Gasket by HJS®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$6.57
- Davico®Exhaust Muffler and Pipe AssemblyInfiniti QX4 2003, Exhaust Muffler and Pipe Assembly by Davico®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$177.93
- Fel-Pro®Exhaust Pipe Connector GasketInfiniti QX4 2003, Exhaust Pipe Connector Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets...Direct OEM replacement for a proper fitEnsures reliable sealing performance$8.24
- Original (OEM)Exhaust PartsThe 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...
- Infiniti OEExhaust System - Exhaust ComponentsInfiniti QX4 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$3.02 - $1,318.49
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2003 Infiniti QX4 Exhaust Reviews
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SLP® - Loud Mouth™ Stainless Steel Round Bullet-Type Silver Exhaust Resonator (2.5" Center ID, 2.5" Center OD, 14" Length)Posted by Robert (Monroe, WI) / November 20, 20222000 Dodge Dakota
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