CORSA PERFORMANCE EXHAUSTS HAS LONG BEEN A LEADER IN THE AFTERMARKET EXHAUST MARKET AND HAS JUST RECENTLY EXPANDED THEIR DIESEL OFFERINGS. USING THEIR PATENTED DRONE-BUSTING TECHNOLOGY, THE NEW DB SERIES DIESEL MUFFLERS ARE MADE FROM 100% PREMIUM STAINLESS STEEL AND CAN BE FITTED TO ALL NON-DPF-EQUIPPED GM DURAMAX, FORD POWER STROKE, DODGE CUMMINS. 4-INCH INLETS AND OUTLETS, STRAIGHT-THROUGH NON-RESTRICTIVE DESIGN AND THE COMPANY'S EXCLUSIVE REFLECTIVE SOUND CANCELLATION TECHNOLOGY HELPS DELIVER A DRONE-FREE SOUND. FOR MORE INFORMATION YOU CAN REACH THEM AT 800-486-0999 OR VISIT THEIR WEBSITE AT WWW.CORSAPERFORMANCE.COM.