Scosche SAGTE6 2002 Trailblazer/Envoy/Bravada 5 1/4-Inch- 6 1/2-Inch Speaker Adapter UPGRADE YOUR SPEAKERS: Adapters enable you to upgrade your factory 6.5 to 5.25 or 6.5 aftermarket speakers into the actual factory locations. SPEAKER COMPATIBILITY: Fits most 5.25 or 6.5 aftermarket speakers. VEHICLE COMPATIBILITY: 2002 to 2008 GM Trailblazer, Envoy and Bravada vehicles. QUALITY MATERIALS: High-grade ABS materials designed for a long lasting, secure fit. BUY WITH CONFIDENCE: Backed by Scosche's Lifetime Tech Support and Limited Lifetime Warranty