Need a replacement catalytic converter for your 2018 Ram 1500? MagnaFlow offers high-quality catalytic converters engineered for 2018 Ram 1500 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2018 Ram 1500 requirements and state vehicle registration to buy the best 1500 catalytic converter online that fits your '18 1500 and meets your state’s emissions compliance.

Need a 2018 Ram 1500 replacement exhaust system? Shop all BRExhaust 2018 Ram 1500 Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2018 Ram 1500 OEM exhaust.

MagnaFlow offers cat-back 2018 Ram 1500 exhaust systems from its Off-Road Pro and Street Series lines that are available with black coated, polished or satin tip finishes. The Street Series also features particulate filter back exhaust systems for diesel owners. These truck exhaust kits are compatible with Big Horn, Express, HFE, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Rebel, SLT, ST, SXT, Special Service, Sport and Tradesman trim levels equipped with the 3.0L diesel V6, 5.7L gas V8, 3.6L FLEX V6, 4.7L FLEX V8 or 3.7L gas V6 engine options. D-Fit Muffler Replacement kits are also available for this model year. Select your '18 Ram 1500's sub-model, engine size and vehicle details to shop all available exhaust systems for your truck.