True that's an installer error but something to consider. To me they seem like a waste of money. I have the brembos and run super blue brake fluid (high temp fluid is key) in my car. I have run several track days and haven't had a problem with "spongy" brakes. My friend has a 350Z and hasn't had any problems at the track either and he works for Nissan at their proving grounds here in the desert.
The steel braided will give you a little stiffer feel because they will not expand like the stock lines but it's your call. Keep in mind that brakes don't like to be slammed instantaneously. You need to squeeze onto the pedal. Think of the stock brake lines as adding a little dampening as you apply brake pressure.
6MT coupe | Borla CTBK | K&N Typhoon CAI | Alum Pedals | Hotchkis Sways | Tein Flex w/EDFC | SPC Camber Arms, Toe Bolts
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