Need a replacement catalytic converter for your 2002 Infiniti QX4? MagnaFlow offers high-quality catalytic converters engineered for 2002 Infiniti QX4 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2002 Infiniti QX4 requirements and state vehicle registration to buy the best QX4 catalytic converter online that fits your '02 QX4 and meets your state’s emissions compliance.

Need a 2002 INFINITI QX4 replacement exhaust system? Shop all BRExhaust 2002 INFINITI QX4 Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2002 INFINITI QX4 OEM exhaust.