Probably won't do a different intake. It's too dusty where I live. But the exhaust will get done eventually. You're right though, freeing up the intake and exhaust makes diesel engines happy, and they sound good as a result.
Despite mine being almost exclusively a pavement princess, I do like the factory high and tight air intake design, as it let's you go deeper in water as it better protects the air supply.
If one day you ever are looking for the highflow air intake you only need a 40 dollars s-10 air intake and a good filter like AFE for like 90 dollars. AFE is great for dusty conditions
Two of my favorite roxor sounds is hearing the turbine spool, and hearing a high air intake sucking in air like a industrial vacuum