QUOTE(Chris914n6 @ Jun 22 2018, 07:37 PM)
I spray my mats with diluted purple degreaser, scrub with the tire brush and rinse with the hose. It's mostly street grime so it seems to work better than the house carpet cleaner.
I'm tempted to pay shipping as they would likely look better in my beige interior than the black ones I got last year, though the black ones match my exterior and say 914-6
So get the beige, pay shipping and I'll pay shipping for you to send me the 914-6 mats...