Exhaust for a 5.9
04-11-2013, 04:08 AM
#1
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Year: 1998
Model: Grand Cherokee
Engine: 5.9
Exhaust for a 5.9
Need to put an exhaust under my 5.9 I was wondering if diameter matters a lot? I have a magnaflow high flow cat I just got but the outlet is about 2 1/4... does that mean I need a muffler that's 2 1/4? IS that big enough for the engine? IF I did get a muffler with a 2 1/2 inlet could I adapt the cat to the muffler? Sorry, don't know much about exhausts..
04-11-2013, 04:21 AM
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Year: 2000
Model: Cherokee
Engine: 4.0 I6
Yes, if you go to an exhaust shop they will weld on the adapters. If you want good flow with a couple extra hp gain, go with a 3" muffler and pipe. Unless you don't want all that noise you can go with 2.5"
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