MagnaFlow has a variety of 2018 Jeep Grand Cherokee catalytic converters that meet OEM Grade requirements. Keep your Jeep emissions compliant and ensure that its check engine light stays off with these replacement catalytic converters. Each converter features durable stainless-steel construction and utilizes a direct-fit design compatible with Altitude to Trailhawk trim levels equipped with engine options ranging from the 3.6L FLEX V6 to the 6.4L gas V8. Select your ’18 Jeep Grand Cherokee’s specifications and state vehicle registration to ensure you buy the correct catalytic converter that fits your SUV’s needs and meets your state’s emissions compliance regulations.

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

MagnaFlow offers 2018 Jeep Grand Cherokee exhaust systems from the Street Series. Each system features durable stainless-steel construction with black coated or polished tip finish. These exhaust kits are compatible with Laredo, Limited, Overland, SRT, Summit, Trackhawk and Trailhawk trim levels equipped with the 3.0L diesel V6, 5.7L gas V8, 3.6L FLEX V6, 6.2L gas V8 or 6.4L gas V8. Select your '18 Grand Cherokee's sub-model, engine size and vehicle details to shop all available exhaust systems for your SUV.