I have made quite a few myself from copper brake pipe on a reel to replace corroded ones on Opels, Vauxhalls, Fords and Rovers, or some that brake undoing. You just cut a piece long enough, put nuts on it and make flares at the ends with flaring tool.
Now the one from dealer will probably be steel so stronger with less flex in it, you can also buy steel ones by the meter, copper is easier to work and does not corrode that easy. For race use they are normally replaced with hard stainless nickel alloy steel, which does not corrode and is very strong and very little flex making sharper brakes with better feel but very hard to work on these pipes, ordinary flare tools will brake instead of flaring the pipe.
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