NVX Complete N-Series Speaker Upgrade Kit for 99-07 Chevy Silverado
NVX NSP525. Tweeter Composition Silk. Woofer Surround Nitrile Butadiene Rubber NBR. Woofer Composition Polypropylene. Nitrile Butadiene Rubber NBR speaker surround. Adapts a 5.25" or 6.5" speaker to front door speaker location.