1997-2006 Wrangler TJ Cold Air Intake Kit (75-5079)Description Maximum Performance Our cold air intake for the 1997 2006 Jeep Wrangler TJ 4. 0L was engineered to minimize air restriction and flows 66. 99% better than stock. This kit comes with a fully enclosed airbox that protects the filter from dirt and keeps out engine heat. This kit comes with a massive, highly efficient air filter which results in better performance and protects your engine. Available in either 8 layer Cotton Cleanable or Dry