....... Although the standard parts stores around here don't seem to carry the perfomance orange or chrome boxes. Just black. I might get one of those to keep as a spare and use until I get the orange one again.
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Unless you are reving the engine to 6000 rpm all the time the orange box or chrome for that matter will not buy you anything. What those MP performance boxes do is extend th rpm range, they do not do anything for low rpm performance.