MrQuackers
Site Donor 2024
I was getting gas at a Shell station and saw this next to the register for the screaming deal (for a gas station) of only $1.65. Looks like STP? Just had to buy it because it is a Smitty's product
http://www.smittysinc.net/oil-treatment/super-s-oil-treatment/
http://www.smittysinc.net/oil-treatment/super-s-oil-treatment/