The speaker size for a 2004 Chevy Trailblazer is 6 1/2 inches. This includes the front, door, and rear speakers.
Same as the front (6.5 inch) although the speaker basket does not have the tweeters in it for the rears. www.trailvoy.com All the answers for your Trailblazer!
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8"
22 inches
6 on 5
15mm
245/70/16 www.trailvoy.com Trailblazer enthusiasts forum!
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6/9
2.75 o.D.
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