You don't need an entire exhaust system, for example, a cat-back. Cat-back systems and stock exhaust are both 2-1/2" dia.
I went with a Magnaflow muffler only, 14" long - it was all of $140 installed professionally. I like the sound, didn't notice anything performance-wise. Don't waste your money on the intakes, etc. Put your $$$ into lift, armor, bumpers, etc.
There's plenty to read on this subject, check the threads.

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STEVE
L.O.S.T. #075255
Patriot Blue 2002 Sport, OME Lift, 245/75/16 BFG AT's on Cragar Soft 8's, Black Widow Basket, Magnaflow Exhaust, Sirius Radio, Alpine Blackbird GPS, Silverstar Headlight Bulbs, Homemade Cross Rails, Debadged, Amsoil Bumper-to-Bumper, More Mods to Come...
