hello , this is the first duramax i have bought and i love it . i would like to do some mods to it but i do not know which . i would like to keep it quiet with the exhaust and the most pulling i will do with it for now is snowmobiles to canada , 1200 mile round trip .

can anyone tell what to get .
intake/filter
chip or box whatever you guys call them
anything alse inexspensive

please tell what kind of power i can get with the mods you recomend . thanks you can email me at jasmhuber@earthlink.net or post to the forum . thanks