The K&N 63 Series AirCharger 63-1050 is a cold-air intake for the 5.7L LS V8 in 2001-2004 Chevrolet Corvettes. It swaps the factory airbox and intake tube for a rotationally molded high-density polyethylene tube and a cotton-gauze K&N filter. Its main advantage over stock is less intake restriction: the tube is shaped to smooth and straighten airflow toward the throttle body. The filter is oversized, so it can run far longer between services than a standard paper element. The oversized air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. Shoppers comparing it with a generic cone filter should note that this is a vehicle-specific kit with its own tube and mounting hardware. Long-tail search terms: 01-04 Corvette 5.7 cold air intake, C5 Corvette LS intake, K&N 63-1050 install, Corvette intake airbox replacement.
The kit is meant to bolt into the factory mounting points without modifications. Your purchase comes with all of the necessary hardware as well as exact instructions for installing the AirCharger using factory features, so you won't need to drill, cut, or make other alterations. That claim conflicts with the manufacturer's own install sheet, which lists drilling and cutting tools, so verify the sheet before you start. Keep the factory parts you remove; the manufacturer's install sheet warns that skipping its steps or using non-supplied hardware can damage the tube, throttle body, or engine.
The manufacturer states the kit uses factory mounting points and does not need modifications. However, the manufacturer's install sheet lists a drill, a jig saw, and a utility knife among its tools, so check the full instructions and plan for possible trimming before you begin.
Product listings describe a fit for 2001-2004 Corvettes with the 5.7L V8, while the manufacturer's installation documentation references the 2001 Corvette Z06 5.7L. Details vary, so confirm the correct application with the manufacturer before ordering.
According to the manufacturer's install sheet, disconnecting the negative battery cable erases preprogrammed electronic memories. Write down your radio and other memory settings first, and have your radio's anti-theft code available, since some radios require it after the battery is reconnected.
This is a driveway-level job for a home mechanic with a socket set, screwdrivers, and an Allen wrench. The manufacturer's install sheet lists a ratchet, extension, 10mm socket, 10mm and 7mm wrenches, and a 3/8" wrench, along with several drill bits. Start by disconnecting the mass airflow sensor and the air injection vent hose, then remove the stock intake tube, airbox, and the mounting plate. The intake tube may rub the underhood insulation because of tight tolerances, so check clearance after the install. Make sure the airbox mounting grommets and clamps are seated properly. The manufacturer also recommends periodic checks for alignment, clearance, and tight connections after installation.
