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Discussion Starter · #1 ·
I was just browsing on eBay, items for my 06 Elantra.

This came up in the search, a fuel gas saver speed chip:

Do you really think this works? Or is this a waste of money/time to install. i cant imagine a chip to install to give me 20 mpg better that Hyundai couldnt have come up with.

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