mods

Hello, I just bought a 2009 Duramax 6.6L turbodiesel. I'm still trying to figure out what it's all got installed. I have a Rough Country 6" lift with 325/60r20 tires. I know it's got an EFI 5 stage live tuner and an AirDog lift pump. I'm trying to figure out what are some good mods that won't...

I am fairly new to the Duramax world, but have quite a few hours of reading on here. From my research on here it appears that the V2 is for data logging and retrieving the stock programming for use by a tuner. So, I'm thinking that I need to purchase EFI live first and use the V2 to upload my...

Ok, so I'm going to start this thread, not for me, but for anyone who may have the same question... what are the pros and cons of modding with aftermarket parts and voiding your warranty, and is it worth it? Also, IF something major were to go out (i.e. tranny, rear end, injector) how much would...

:coolphoto Just looking for some mods I can do at home to get maybe a little more performance or just look good... If you have any let me know and if you have any pics, even better!