joe_puma
Mar 25, 2016Explorer
DEF
Time to add DEF to my duramax, anyone ever use the "Supertech" DEF from Wal mart? I usually use Peak Blue DEF. Any thoughts?
Old-Biscuit wrote:Now you must know that DEF sold at Walmart is made from mice urine - Chinese mice no less.
By the cheapest least expensive version......DEF is DEF