The STM Stainless Steel Cat-Back Exhaust for the 1995-1999 2G AWD DSM is designed to bolt up to any test pipe in the stock location using a 3″ flange. It will also work with the STM 2.5″ or 3″ Test Pipe. Weighs only 19.7 pounds! USA made, hand fabricated in-house with full 3″ mandrel-bent piping and tig-welded flanges with an Ultra-Quiet muffler for the perfect mix of sound and performance. All new mounting hardware is included along with two Remflex graphite gaskets for a leak-free install.