It could screw up your suncros. Its just going to depend on how you drive the car. If you are always going through the gears like the 1/4 mile then yes your going to fuck up your sincros. Thats a known fact. Its just a matter of time. On the other hand you can do the same with your factory shifter. If you are not giving them time to line up they will wear out.
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" Nitrous is like a hot chick with an STD, you wanna hit it, but you know what the consequences might be "