Fits: 2002–2006 Cadillac Escalade 2003–2006 Cadillac Escalade ESV 2002–2006 Cadillac Escalade EXT 2002–2006 Chevrolet Avalanche 1500 1999–2006 Chevrolet Silverado 1500 2001–2006 Chevrolet Silverado 2500 HD 2007 Chevrolet Silverado 1500 Classic 1999–2006 GMC Sierra 1500 2001–2006 GMC Sierra 2500 HD 2001–2006 GMC Sierra 3500 2007 GMC Sierra 1500 Classic 2007 GMC Sierra 2500 HD Classic 2007 GMC Sierra 3500 Classic Volant725153Throttle Body SpacersVolant Performance Air Intake Systems are designed for one thing, Performance. By optimizing airflow and utilizing free-flowing filters, Volant Performance Intakes outflow stock systems to increase overall performance while protecting your engine. This intake features Volant's high performance MaxFlow 5, 5 layer oiled cotton gauze air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen. Each filter comes pre-oiled and ready for use. This filter is specifically designed to allow the highest air flow rate possible for maximum power gains but deliver a very long filter life and maintenance intervals (up to 40K miles depending on driving conditions). Whether On-Road or Off, Volant Performance has you covered.These Volant Vortice throttle body spacers are designed to squeeze a little more performance out of your car or truck. These throttle body spacers are made of an extremely durable, glass-filled nylon composite that will not corrode or deteriorate due to the elements. Volant designed these throttle body spacers to work with either your factory air box or Volant's own cold air intake to provide quicker throttle response and, in most applications, improved fuel economy. Volant provides all of the mounting hardware and gaskets required for your application to make installing your Vortice throttle body spacers easy.