Need a replacement catalytic converter for your 2005 Mercury Mariner? MagnaFlow offers high-quality catalytic converters engineered for 2005 Mercury Mariner sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2005 Mercury Mariner requirements and state vehicle registration to buy the best Mariner catalytic converter online that fits your '05 Mariner and meets your state’s emissions compliance.

Need a 2005 Mercury Mariner replacement exhaust system? Shop all BRExhaust 2005 Mercury Mariner Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2005 Mercury Mariner OEM exhaust.