1. joshinthecity

    Question about AFR's when you "Uncork" a stock tuned VDJ.

    Let's say you've done the following in relation to getting air in / out of a current model 2022 70 series..... Air in: 4 inch Armax snorkle Upgraded (properly sealed) Airbox (with big Duramax-sized filter element). 2-inch Crossover pipe from Driver's side bank to turbo. Air out: 3 inch DPF...