Originally Posted by XR9UTE
If you want to run the engine yes.
I have seen an NF stock 5.0L that had the MAF unplugged for weeks, as it was done accidentally by a mechanic that serviced it; the owner only noticed it had a slight hesitation sometimes and a few other glitches.
It idled perfect and if rpm was progressively increased you wouldn’t have noticed a thing.
EBXR8240 is big enough proof 5.0L's can run without them, just it is not advised, especially when engine is not stock. :s5