CTS audio upgrade

[serg18 10+ year member]

I recently purchased a 06 CTS. I wanted to know if it possible to upgrade my stock speakers and sub without upgrading my stock headunits and amp.

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[misfit138 5,000+ posts]

I don't see why not. Just find the specs for the factory amp (or amps) and go from there...

 

[serg18 10+ year member]

I plan to upgrade the headunit so I will have to upgrade the amp as well

 

[1rockford1 5,000+ posts]

huh