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Jerry (not verified)    September 7, 2024 - 6:35AM

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I get average of 37.5 mpg and 47.5
Mpg highway in my 2024 trailblazer LT. 1.3 I haven't found any thing out there
To increase milage. I have! Had to modify a little, but huge increase.
Does not void warranty. I showed the
Car dealer. They were very impressed.

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