Subthump on line makes some nice boxes, they fit really well. subthump.com
Subthump on line makes some nice boxes, they fit really well. subthump.com
2007 GMC Sierra Classic 1500, Pioneer D3, JL 450/4, JL 500/1, JL W3, Focal K2 6 1/2Comp, K&N 77 Intake, 160 t-stat, Flowmaster cat back, Airaid tbs, and Superchips.
2006 Chevy Silverado 1500 RCSB Z71 5.3L, 3.73, K&N 77 Intake, Flowmaster dumps, Pioneer D3, Focal A1, JL 300/4, JL 500/1, JL 12W3.