johns E350
Active Member
S ultimate diesel worth the extra penny's does it give better performance and more miles to the gallon
Ultimate diesel
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- Lexus RX450h F-Sport with Takumi Pack 2020
Possibly but definitely cleaner ..
GH421
Active Member
I've noticed it does give slightly more mpg but not really noticed an increase in performance.
Millers and regular shell has the same effect.
Millers and regular shell has the same effect.
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