I find the price reasonable considering development time, manf time, materials, online time, etc.....
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If you can only get one or one at a time I would go for the passenger side first as it has proven to be a issue, the drivers side not so yet.
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The drivers side has a gap of approx 1/8" on the front and rear and 1/4" on top between the rubber covering the aluminum section bolted to the transaxle can move until it contacts the stock metal cover over it.
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Getting both is best, getting one then passenger side first then drivers when you can.
I would buy both but as mentioned I already built my own drivers side mount long ago though I am still tempted to get both.