Need a replacement catalytic converter for your 2018 Toyota 4Runner? MagnaFlow offers high-quality, OEM-Grade catalytic converters engineered for various 2018 4Runner sub-models and engine sizes, designed to keep the check engine light off. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. To find the correct catalytic converter, select your 2018 Toyota 4Runner sub-model and engine size, along with your state vehicle registration. This will ensure you purchase a converter that fits your vehicle and meets your state's emissions regulations.

Need a 2018 Toyota 4Runner replacement exhaust system? Shop all BRExhaust 2018 Toyota 4Runner Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2018 Toyota 4Runner OEM exhaust.

MagnaFlow offers 2018 Toyota 4Runner exhaust systems from the Street Series and Overland Series. Each exhaust kit features durable stainless-steel construction and a polished tip finish or tipless design. Compatible models include Base, Limited, SR5, SR5 Premium, TRD Off-Road, TRD Off-Road Premium and TRD Pro trim levels equipped with the 4.0L V6. Select your '18 4Runner's sub-model, engine size and vehicle details to shop all available exhaust systems for your SUV.