Not sure which 2004 Jeep Grand Cherokee Catalytic Converters are right for you? We have over 491 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"I have this magnaflow cat with a super 44 flowmaster muffler on my 2004 jeep grand cherokee and i couldn't be happier. I had a bolt on gibson catback exhaust before this setup and i can honestly say that i dont think there's anything out there that sounds better than what i have now. I couldnt be happier" —Cameron D from Enon Valley, PA bought a Magnaflow Catalytic Converters - 49 State Legal for a 2004 Jeep Grand Cherokee.