TJ Intake and Exhaust Performance PAK Fits 2001 to 2006 TJ Wrangler, Rubicon and Unlimited;With 4.0L engine;AIRAID Cool Air Dam Intake System;SynthaMax filter - uses no oil;Dynomax Aluminized Cat Back Exhaust System;Inlet/outlet size: 2.25 inches 4Wheel Drive Hardware 4WD TJ Intake and Exhaust Performance PAK - PERFPAK4 PERFPAK4 4Wheel Drive Hardware Jeep Performance PAK's |