1998 Infiniti QX4 Exhaust Systems
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Walker®Stainless Steel Round Aluminized Resonator AssemblyInfiniti QX4 1998, Stainless Steel Round Aluminized Resonator Assembly by Walker®. Resonator Outlet Diameter: 2". Resonator Body Length: 12". Resonator Overall Length: 42.69". If you want exhaust piping that delivers precise OE-style...Designed to directly replace the factory partMade with precision benders and fixture checked$97.64 - MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterInfiniti QX4 1998, 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 - $387.00
- Walker®CalCat™ Direct Fit Round Body Catalytic ConverterInfiniti QX4 Engine Family # WNSXT03.335A 1998, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Direct Fit. Catalytic Converter Body Shape: Round. With 1 Inlet. Without O2 Sensor Port. Catalytic Converter Overall...$1,038.59 - $1,075.59
- ATP®Cast Iron Natural Exhaust ManifoldInfiniti QX4 1998, Natural Cast Iron Exhaust Manifold by ATP®. Color: Natural. Header Coating: Uncoated. ATP Graywerks Exhaust Manifolds are a high quality OE replacement alternative. Each manifold is developed off of the original parts...Manufactured to OE design ensuring manifold will line up and flow like the original unitHigh grade metallurgy resists fatigue cracking and breakage$112.27 - $126.60
- Davico®Direct Fit Catalytic Converter and Pipe AssemblyInfiniti QX4 1998, Catalytic Converter and Pipe Assembly 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...$318.56 - $736.93
- Walker®Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler and Pipe AssemblyInfiniti QX4 1998, Quiet-Flow™ Stainless Steel Oval Aluminized Exhaust Muffler and Pipe Assembly by Walker®. Muffler Inlet Diameter: 2". Muffler Outlet Diameter: 2". Muffler Body Length: 18". Muffler Overall Length: 28.25". Muffler...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$100.54
- AP Exhaust®Direct Fit Catalytic ConverterInfiniti QX4 1998, Catalytic Converter by AP Exhaust®. Converter Configuration: Direct Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 9.75". Today’s exhaust performance market continues to cover a...$327.48 - $658.87
- Davico®Direct Fit Catalytic ConverterInfiniti QX4 1998, 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...$267.57 - $320.36
- Dorman®Cast Iron Natural Exhaust ManifoldInfiniti QX4 1998, 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$84.08 - $100.66
- Walker®SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust MufflerInfiniti QX4 1998, SoundFX™ Steel Oval Direct-Fit Aluminized Exhaust Muffler by Walker®. Optional. Muffler Inlet Diameter: 1.75". Muffler Outlet Diameter: 2". Muffler Body Length: 18". Muffler Overall Length: 30". Muffler...Designed to deliver ultimate performance and pleasing sound qualityOE-equivalent direct-fit design$78.00
- TruParts®Rear Exhaust MufflerInfiniti QX4 1998, Rear Exhaust Muffler 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 finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$58.30
- AP Exhaust®Welded Aluminized Steel Exhaust Muffler and Pipe AssemblyInfiniti QX4 with California Emissions / with Federal Emissions 1998, 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...Aluminized components for longer lifeOriginal equipment appearance and performance$109.66
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterInfiniti QX4 1998, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$178.00
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterInfiniti QX4 1998, 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 - $371.00
- Walker®CalCat™ Universal Fit Catalytic ConverterInfiniti QX4 Engine Family # WNSXT03.335A 1998, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. Without Air Tube. Without O2 Sensor Port. Catalytic Converter Overall Length: 11.75". Specifically...$815.01 - $1,259.73
- TruParts®Exhaust Pipe Flange GasketInfiniti QX4 1998, 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 the finest materials in compliance with rigorous...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$1.36 - $3.90
- iD Select®Standard Direct Fit Catalytic Converter and Pipe AssemblyInfiniti QX4 with Federal Emission 1998, 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...$286.27 - $310.54
- iD Select®ECO II Universal Fit Oval Body Catalytic ConverterInfiniti QX4 with Federal Emission 1998, 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"....$112.08
- AP Exhaust®Universal Fit Catalytic ConverterInfiniti QX4 1998, Catalytic Converter by AP Exhaust®. Converter Configuration: Universal Fit. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product...$343.37 - $754.17
- TruParts®Center Exhaust Muffler AssemblyInfiniti QX4 1998, Center Exhaust Muffler Assembly 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 finest materials in compliance with...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$121.72
- Davico®Exhaust MufflerInfiniti QX4 1998, 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$64.82
- TruParts®Exhaust System HangerInfiniti QX4 with California Emission / with Federal Emission 1998, 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
- CATCO®Direct Fit Catalytic ConverterInfiniti QX4 1998, Catalytic Converter by CATCO®. Converter Configuration: Direct Fit. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the competition....$338.48 - $458.12
- CATCO®OBDII Universal Fit Oval Body Catalytic ConverterInfiniti QX4 with California Emission 1998, OBDII Catalytic Converter by CATCO®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Oval. Without Air Tube. With 1 Passenger Side O2 Sensor Port. Catalytic Converter...$188.30
- BRExhaust®Rear Exhaust MufflerInfiniti QX4 1998, Rear Exhaust Muffler by BRExhaust®. The product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy,...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$137.79
- Eastern Catalytic®ECO II Direct Fit Pre-Cat Catalytic ConverterInfiniti QX4 1998, 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...$368.44 - $370.72
- Eastern Catalytic®Standard Direct Fit Catalytic ConverterInfiniti QX4 with Federal Emission 1998, 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...$299.19 - $322.97
- HJS®Exhaust Pipe Connector GasketInfiniti QX4 with California Emission / with Federal Emission 1998, 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...High quality at an affordable priceExpertly made from premium materials$6.57
- Davico®Exhaust Muffler and Pipe AssemblyInfiniti QX4 1998, 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$170.77
- iD Select®ECO II Direct Fit Pre-Cat Catalytic ConverterInfiniti QX4 1998, ECO II Pre-Cat Catalytic Converter by iD Select®. Converter Configuration: Direct Fit. Position: Front Driver Side. Without O2 Sensor Port. Catalytic Converter Overall Length: 9.25". Swap out your worn-out or...$340.39
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