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Message: <blockquote data-quote="sonicsn95" data-source="post: 214091" data-attributes="member: 9676"><p>Hey Big I just finished the install of my UPR o/r x pipe it made a big difference in how the car sounds! I had to replace everything from the headers back because the previous owner had somebody hack up the stock cat pipe with six cats and weld on some flowmaster muffs, and some really terrible tips. Now it has the UPR pipe and some old Dynomax dumps(will be replaced soon just not sure by what yet). Sounds good but the drone from under the car drives me crazy sice this is my DD. Before you install the pipe make sure all the O2 sensors bungs are tapped for the sensors, One of them wasn't on my pipe and had to chase down a tap big enough to due the job. Good luck can't wait to here what you think about the difference.</p></blockquote><p></p>