Hey everyone, I'm new to this forum and to the diesel world..I recently purchased a 2004 Duramax and put a few little upgrades on it...Edge 6 stage chip...5 in. to 6 in. straight stacks...24 in. Mazzi rims wrapped in 13.5 x 37 in Toyo tires...Banks big head wastegate..AFE stage 2 intake...along with a few other odds and ends...i absolutley love the truck. If theres anything..parts..info. that anyone can think of. LET ME KNOW!!!....take er easy.:D