Amazon is offering a free Royal Purple oil filter with the purchase of select 5-quart jugs of Royal Purple oil. Add filter and oil to cart, then proceed to final checkout to see discounted price. 5W-30 and 5W-20 are temporarily out of stock, but can still be purchased at this price. Or get a free oil filter with the purchase of select 6-packs or 5.1 quart jugs of Mobil 1 oil.

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    user12345 Ben's cred: 0
    Posted 2:11 am PST 12/20/13

    Walmart oil much cheaper-not worth it

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    dennis007 Ben's cred: 229
    Posted 8:02 am PST 12/20/13

    Is this stuff better than Slick 50? Laughing I remember they advertised their oil use in NASA shuttle. If it good for NASA, it either too good or over kill for your car. I'll just stick with Walmart Mobil 1 fully syn 5qt jug for $23 + taxes and change the oil every 8k miles.

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    dave_c Ben's cred: 3658
    Posted 4:22 pm PST 12/20/13

    ^ Contains 30% more snake oil than slick 50.

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    • Free Royal Purple Oil Filter with Select 5-Quart Oil Purchase at Amazon
    • Free Royal Purple Oil Filter with Select 5-Quart Oil Purchase at Amazon
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