$1.00 off one STP product. If you thought getting STP for only $0.68 was great, check out this deal that Lots2Save found. On some of the bottles of STP was a Buy One Get One Free Mail in Rebate form. Check out how much sweeter this deal just got.
Buy 2 STP Gas Treatment $1.68 ea
$1.00 off one STP product Print out twice
Mail in Rebate will be for $1.68
Total: FREE + $0.32 overage