UnderDog Diesel News

Oct
16
2023

Is it Snake Oil? Find out if the S&S Diesel Motorsport CP4.2 Bypass Kit backs up its claims!

Is it Snake Oil? Find out if the S&S Diesel Motorsport CP4.2 Bypass Kit backs up its claims!  S&S Diesel Motorsport, the creator of the original Disaster Prevention...

Oct
16
2023

What parts store filters fit my FASS or AirDog? Cross References here!

So, you don't want to order AirDog or FASS branded fuel filters, you'd rather pick them up from the local parts store, but what filters fit?   On the FASS, click below for a PDF of...

Oct
16
2023

So you just bought a LML Duramax, and you're curious if it has been CP3 Swapped, how can you tell?

So you just bought a LML Duramax, and you're curious if it has been CP3 Swapped, how can you tell?      You just bought a 2011-2016 LML Duramax and you aren't sure what...