Exhaust A free-flowing exhaust is the key to unleasing horsepower. Stock exhaust manifolds and mufflers are designed to be quiet, with little consideration given to performance. If you are serious about performance, a free flowing exhaust system mandatory for your vehicle. Borla Cat-Back Exhaust - Aircraft Quality T-304 Stainless Steel - Precision Manufactured to the Closest Tolerances - Exceptional Fit & Finish - Provides 7-10% Increase in Horsepower & Torque - Improved Gas Mileage at Cruising Speeds - Includes All Necessary Hardware - Lifetime Warranty This fits: 1999-2005 Grand Am GT & SE (V6 Only) Borla Dual Cat-Back Exhaust Price: $ 699.95 Quantity: All Images & Content Copyright 2003-2006 - Doctor Speed, Inc.