CUSTOM-FIT PERFORMANCE COLD AIR INTAKE SYSTEMS Complete 3.5" diameter polished aluminum intake Powder-coated steel heat shield protects air filter Improves air flow for more horsepower, torque; better fuel economy An easy drop-in upgrade that includes high-performance air filter Spectre Performance Air Intake Kits are engineered to increase horsepower, torque and improve fuel economy. A powder-coated steel heat shield and custom-formed polished aluminum intake tube provide enchanced performance as well as trick appearance. High-flow washable, re-useable cotton filter is included, backed by a 10-year/100,000 mile warranty. All necessary brackets, couplers, clamps and adapters are included to make for an easy installation. Spectre Performance kits are an easy drop-in upgrade for your vehicle. Complete step-by-step illustrated instructions are included, and there's a 800-number hotline for any questions you might have. Bolt it in and get it on!