Flowmaster's American Thunder cat-back exhaust system for the 1999 to 2002 Chevrolet Cavalier and Pontiac Sunfire is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This bolt on emissions- legal system for the 2.2L and 2.4L engines features a 60 Series muffler, 2.25 inch mandrel bent stainless steel tubing and a 3.00 inch polished stainless steel tip. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.