[94 Z/28]

Sorry guys, it just doesn't translate I know what a black box is (ECU) Is is the back box exhaust or suspension??

 

[wrighar]

Back box - The last resonator or silencer in an exhaust system, gennerally very near the back of a car.

 

[burre]

In American, the muffler.

Eric Burr

 

[ceriw]

Or in Conservative English the colon...has a muffler on the end too!