JL Audio Stealthbox®Custom-fit fiberglass enclosure with two 10" W1v3 subwoofers
fits 2007-up Chevrolet Silverado and GMC Sierra Extended Cab trucks
1 person says :
Top sellers for the
2003 — 2006 GMC Sierra 1500 | 2007 GMC Sierra 1500 Classic | 2003 — 2006 GMC Sierra 2500/3500 | 2007 GMC Sierra 2500/3500 Classic | 2007 GMC Sierra Classic | 2003 — 2007 GMC Sierra Denali:
How other customers have customized the GMC Sierra:
Luke S's 2002 GMC Sierra
Michael Pugh's 1994 GMC Sierra
Installing it yourself?
Since 1974, we've helped generations of Americans install audio systems in their cars. If you're doing it yourself, we're here to help you plan and install your system. Here's what makes us a little different.
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