Quote:
Originally Posted by e90076
Hey all,
I’m new to the concept of flex fuel mods but am considering a used SS 1LE with a Phastek flex fuel mod and a tune. Are there any downsides I need to consider with the mod that I should be aware of or take into consideration before purchasing? The car is under a year old so warranty is one thing I’m weighing already...
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Technically the flex fuel kit and tune invalidated the powertrain warranty. If you take the car to a dealer with a powertrain issue and they see the flex fuel kit and/or detect that the car was tuned then they may refuse to repair the car under warranty. You will want to know who did the tune and if the tune is locked before you buy the car in case you want to do additional mods down the road.