Fits Sierra 1500 (19 24) Fender Flares; Defender; 5IS Silver Ice; A G11950 5IS exhaust stacks Brushless 5 Mandrel bent Tubing Increases Brushless 5 Application 1964 67 GM A Body Application 1968 72 GM A Body Application 1978 88 A G Body Application 67 81 F Body Application 68 74 X Body Bracket Finish Natural Bracket Material Aluminum Brand Hooker BlackHeart Color Silver Emission Code 5 Engine GM Gen III IV IV (LS LT) Exhaust Series Hooker BlackHeart Finish Natural Material Aluminum Motor Type GM LS Product Type Transmission Mount Subframe Stock Thickness 1 Rough Country's Defender Flares are backed with a limited lifetime replacement warranty towards manufacturer defects low gloss cap to keep them looking new for years