New to the 650R, need some pipe/carb help

I have recently purchased a 2002 XR650R. It had been uncorked when I purchased it and wow, it has some get up and go. I have opened the carb and the jets are a 175 and a 65S and the bike pops just a little when coming down from hi revs.

I have bought a complete FMF Power core4black muffler with the powerchamber head pipe and I have a Uni air filter. I live in Virginia, I'm a Navy guy, I ride at sea level. Will these jets work with the new pipe and air filter? What should I go to? The FMF installation instructions recommend a 175.

Great forum and thanks for any help y'all can give me.

Mike

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