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Gas mileage and performance

Discussion in 'Performance and Tuning' started by illfixit, Feb 15, 2019.

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Feb 15, 2019 at 5:55 AM

#1

#1
illfixit [OP] New Member

Joined:

May 5, 2018

Member:

#15042

Messages:

33

Gender:

Male

Potter Co.

Vehicle:

15 TUNDRA TRD OFF ROAD

hi guys I’m back and this is a spin off of the “muffler options “ .
I put some Star tron treatment in and made it to 16.7 mpg, now I’m back to 8 town and 11 highway. Into over 400$ trying to resolve it but still getting worse!! Dealership said it’s winter additive??

illfixit, Feb 15, 2019

#1

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