Guest wg Posted April 12, 2007 Report Share Posted April 12, 2007 Hi Guys, I have a pair of AR-9ls's.. I have seen several references about upgrading 9ls's crossover to 9lsi's specs.. Just what is the modification and what does it do?? Second, is there any others that I should be aware of?? TNX, WG Link to comment Share on other sites More sharing options...
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