Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...

Read about the chemistry behind motor oil from Mark McFann of Royal Purple Motor Oil, only at Chevy High Performance Magazine.

With this filter and a high-quality synthetic such as Royal Purple, you should be able to drive a minimum of 12,000 miles to a maximum of 25,000 miles on the same new oil you install at this service.

Designer‑water jokes and eye-rolls aside, the purple jug isn't cheap. Expensive oil is often a waste of money and a 5‑quart jug of Royal Purple can run $5 to $15 more than Mobil 1 and even ...