Dual Sub Box (behind rear seat)2001-2006 GM SIERRA HD CREW Xtreme Enclosures $299.95 $201.15 Fits 2001-2006 Chevrolet Silverado / GMC Sierra Crew Cab Heavy Duty 1500, 2500 AND 3500 Series Truck Note: ( FITS ONLY HD MODELS ) also fits 2007 classic body crew Fits two 8 inch or two 10 inch subwoofers Fits behind rear seat Mounting Depth = 6 inches... Choose Options
DUAL SUB BOX 2001-2006 GM SIERRA CREW HD Xtreme Enclosures $201.15 This box is designed to fit 2001-2006 Chevy Silverado Crew Cab HD Series and 2001-2006 GMC Sierra HD Series Crew Cab Trucks. This will not fit the Silverado Ext Cab. ONLY FITS THE 2500 AND 3500 SERIES CREW CABS. Will not fit 1500 SERIES ( 1/2 ton )crew... Choose Options
On Sale! SINGLE SUB BOX 2001-2006 GM SIERRA CREW HD Xtreme Enclosures $125.00 $160.65 $115.95 Fits 2001 to 2006 Chevrolet Silverado / GMC Sierra Crew Heavy Duty truck; 1500 HD, 2500 HD and 3500 HD NOTE: Does not fit the Half-ton crew. We have another box available for the half ton crew cab truck. FEATURES: Fits one 8 inch or 10 inch subwoofer... Choose Options
