Upgrading vehicle's exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make a world of difference on your vehicle. The net result is lower auto exhaust backpressure, more horsepower, more torque, and a much better sound. Package Included: 1 X Catback Exhaust Hardware/gaskets as shown This product is compatible with: Compatible with Honda Accord 2.3L 4-Cylinder 1998-2002 Vehicle Compatibility - This cat-back exhaust is compatible with Honda Accord 2.3L 4-Cylinder 1998-2002. Brilliant Performance - Come with [1] high performance racing design exit cat-back exhaust, can instantly increase 15 to 25 horsepower or low end torque, maximize to enhance the high exhaust air flow rate without sacrificing the attractive power sound in the smoothest conditions. Extraordinary Quality - It is constructed of high quality aluminized steel with computerized mandrel-bends for the strength and durability, and the TIG welded CNC machine can resistant against pressure and corrosion. Simple Installation - Easily for the installation, can make you enjoy the best performance in the fastest time. Product Specification - Major Piping: 2.5" OD | Muffler Exhaust Tip: 4" OD | Inlet / Outlet : 2.5" OD | Muffler Tip Type: Round Roll Lip