Interesting concept on the sub.

Little confused on the front speaker install in regards to the crossovers bc it is my understanding that if you are running them off of the factory amp, you should not need to add an external crossover.

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2001 X5 3.0i (PP/WP/AP) Traded at 213K miles
RARE White on Black - Why does everyone get Tan??
First E53 with 215s on XOutpost!!