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hey guys just like to say that i just registered and already seen so many things that i would
like to do to my truck
love this site already gotten a lot of information and tips
any ideas for a 2003 2500 auto
thanks
welcome to DF... ATS intake manifold, AFE stage 2 with the pro gaurd 7 filter, Aero turbine 4040 muffler right after the downpipe and a 30" magnaflow where the stock muffler used to be...
that should get you going. all of those mods are ok with a stock tranny. I have the TST Powermax and love it. other choices include Edge, Bullydog, Quadzilla etc... if you get a box or downloader, go easy on the power until you upgrade your tranny.