My friend just bought a 99 SE-L and he is wondering if the bose deck had preouts for his 2 jl w4 subs... if it doesn't work, what would be the best way to hook them up while keeping the stock bose system? Thanks

 

Either an amp with high level inputs, or a good line output converter. There are some preferred brands that others will tell you about, but my favorites are navone multi-channel LOC's and any audiocontrol unit that will fit in with your installation [3.1 or 4.1 if you're looking for an in-dash eq, or just a line-driver, etc. . .].

dh