I have a 2.5 liter TJ, everyone says don't waste your time but I did it anyway. There's no noticeable increase in performance and it sounds crappy. I also bought the intake recommended throttle body gasket and still no noticeable change.
π§ Enhance Performance with Spectre 8711 Vacuum Sensor Adapter Kit
9 Review
π K&N Cold Air Intake Kit: Rev Up your 1998-2003 CHEVROLET/GMC (S10 Pickup, Sonoma) with High Performance: Gain Horsepower & Stay Road Legal (57-3025-1)
9 Review
π Silicone Throttle Body Hose for Subaru WRX 2008-2014 - Mishimoto MMHOSE-SUB-ITBBK (Black)
9 Review
π Enhance Your Vehicle's Performance with the Airaid 200-919 M.I.T. Modular Intake Tube.
9 Review