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Awesome... I think I'll do the same! Thanks for the info...
Are you happy with the exhaust so far? Any problems? Did you see any improvements (acceleration, fuel milage, throttle response)?
I noticed a bit better throttle response and that was about it. There's a bit of drone around 1800 rpm, but otherwise, the sound out of the pipe is pretty good. There's a nice rumble at idle too.
I put the gibson cat back duel system on my "03" f250sd 5.4. Easy install,everything fit well, but very dissapointed with the sound. It was a tad bit louder than stock, and I mean a tad!!!I tried a test pipe and found out that the cat. quiets the exh.note quite a bit. (sounded nice with the cat removed)