I've noticed that the MAC's rust fairly soon after the install.
I have the BBK unequal shorties, they installed easily and have VERY little rust and I've had them on for over 3 years.
I'd highly suggest them,
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NMRA O/C 9516
NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft
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