Hawaii_SE-R

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SS Brake Lines help reduce the mushy feel of brakes while increasing the response time from pedal to pads regardless of whether you are at a track or doing daily driving. However, if you plan to hit the tracks (road course), the more important items are the rotors, calipurs, pads, and brake fluid. Brake lines will not do anything to reduce brake fade.

 

911AS

But is it worth to install SS lines for street driving? Can you feel difference? Do the rubber lines flex that much?

True! Brake pads and break oil should be the first thing to change.

I understand and agree that they don't do nothing for brake fading. But, into racing condition, the rubber lines expand more than street driving because they substain a lot more of heat. To compensate, you must push the brake pedal a little more further. So from the driver perspective is it like brake fading?

Hawaii_SE-R

You may feel the difference in the sense of greater brake pedal response. New rubber brake lines shouldn't flex very much. As they age they begin to lose their strength. Brake fade is a direct result of the brake fluid losing it's hydraulic properties due to excessive heat, not because the lines expanded. Excessive heat can be reduced by getting larger rotors in conjuction with calipurs than have larger pads for a wider brake surface area.

From a driver's persepective, weakened rubber brake lines would just feel mushy on daily driving.