Go with original wires. They are more expensive for a reason. They are better. They are solid copper, whereas the aftermarket wires are a silicon / copper blend.

__________________
Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".