MagnaFlow has a variety of 2018 Dodge Challenger catalytic converters that meet OEM Grade or HM Grade requirements. These replacement catalytic converters will keep your muscle car’s check engine light off and ensure that your car’s emissions levels are road legal. Each converter features durable stainless-steel construction and utilizes a direct-fit design compatible with Dual Stripes to T/A 392 trim levels equipped with engines ranging from the 3.6L V6 to the 6.4L V8. Select your ’18 Dodge Challenger’s specifications and state vehicle registration to ensure you buy the correct catalytic converter that fits your muscle car’s needs and meets your state’s emissions compliance regulations.

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

MagnaFlow offers 2018 Dodge Challenger exhaust systems from its Competition Series, Race Series and xMOD Series lines which come in cat-back and axle-back layouts. Each kit features polished or carbon fiber finished tips. 2018 Dodge Challenger exhaust kits are available for the Dual Stripes, Edicion Especial, GT, R/T, R/T 392, R/T Scat Pack, SRT, SRT 392, SRT Demon, SRT Hellcat, SRT Hellcat Widebody, SXT, SXT Plus, Scat Pack, T/A and T/A 392 trim levels equipped with the 3.6L gas V6, 5.7L gas V8, 6.4L gas V8 or 6.2L gas V8. Select your '18 Challenger's sub-model, engine size and vehicle details to shop all available exhaust systems for your muscle car.