1999-2004 Ford Mustang - Borla Exhaust System - Stainless Steel Cat-back

"BORLA CAT-BACK EXHAUST SYSTEM -- Made From Aircraft-Quality, 100% T-304 Austenitic And Sound-Absorbing Mandrel-Bent Stainless Steel That Maintains Low Decibels And Protects Against Burnout, Dyno-Proven To Yield An Increase Of 7-15% In Horsepower While Providing Better Fuel Economy, Insulated To Reduce Shell Temperature For A Cooler Driver's Compartment, Increases Flow And Power, Features A Patented Uninterrupted-Flow Design And Multi-Core Technology, With Longer Spike For Scavenging To Generate Maximum Power, 50-State Emission Legal, With Borla's Million-Mile Warranty"