2004-2012 GMC Canyon Extended Cab Sub Box Downfire Sealed


2004-2012 GMC Canyon Extended Cab Sub Box Downfire Sealed
This is the GMC Canyon Extended Cab Sub Box­ for the 2004-2012 trucks. This box for the GMC Canyon is for those who are serious about their sound. This downfire box replaces the rear seats. The seats will be folded up and this box will sit on the floor firing the subs down to get some loading off of the floor. The downfire design will also allow you to still use the rear of your truck since the subs will be firing down and protected from stuff hitting them. This box will hold a large number of options for subs so if you have any special requests feel free to contact me with questions.

For installation, the removal of the storage bin under the rear seats is necessary, just a few bolts and they pop right out.

This is a sealed subwoofer box. A sealed subwoofer box has a tight and punchy bass that is more articulate and more true to the music with a more natural sound. For customers who want louder deeper bass with the lower bass more pronounced, a ported box is what you want. Because of the ported design, the bass will not be as tight and punchy, but there is double the bass of a sealed box with the same subs. If big bass is what you want then our ported box will be what you want.

This box is made out of 3/4″ MDF and is fully carpeted in matching carpet. The nickel plated spring loaded speaker terminals are mounted on the back of the box and the speaker wires are soldered on for a solid and reliable connection.

Chevy / GMC Gallery

Chevy Colorado Extended Cab, Chevrolet Colorado Extended Cab, Colorado Extended cab, chevy Colorado sub, Colorado sub, Colorado subwoofer, Colorado Extended cab subwoofer, Colorado sub box, chevy Colorado sub box, Colorado subwoofer box, Colorado Extended cab subwoofer box, canyon sub, canyon subwoofer, gmc canyon sub, gmc canyon subwoofer,

2004-2012 GMC Canyon Extended Cab Sub Box

Contact Us About Your Options (This is only if your order requires some advanced customization. If you need a customization fee, we’ll let you know).

We use Stinger wire on all of our boxes.
Acoustic stuffing will make the enclosure sound like it is in a larger airspace. It will give your woofer a little deeper of a tone, but will also take away a little from the upper bass. If our enclosure is a little small on the airspace needed for the woofers, then we would recommend the acoustic fill.
Please enter the Brand and Model of the subwoofers you will be using.
  • Total

Lease for as low as $11.81/week. Learn More

Additional information

Weight 55 lbs
Dimensions 37.75 × 14.75 × 16.375 in
Total Volume (CuFt)

Mounting Depth

Fit Location


Box Finish

Number of Speakers

Speaker Sizes