Flowmaster Force II bolt on exhaust systems deliver mild to moderate sound levels, along with the performance gains you expect from Flowmaster. This system for the 2004 to 2006 Jeep Liberty is an emissions legal system that features a Super 50 series muffler, mandrel-bent piping and a polished 3.00 in. tip. The exhaust is manufactured in the USA and is covered by Flowmaster's lifetime limited warranty for long term protection of your investment.