This GM 25320361 intake duct tube is a bolt-on style with a male connector type. It is made of plastic and comes with a MAF. This part is compatible with 99-00 Chevrolet Silverado and GMC Sierra 5.3L models. It is an OEM used part with no warranty. The features of this part include easy installation and direct fit. The GM 25320361 intake duct tube is a performance part that enhances the air and fuel delivery system of your vehicle. This part does not have any universal fitment and is not a vintage part. The country/region of manufacture is unknown. The item is categorized as an additional fuel injection part, fuel injection part, and air & fuel delivery part.