CORSAs Patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a DRONE-FREE EXPERIENCE during cruise. Performance gains are not affected by sound choice.. 3.0in. Cat-Back Dual Rear Exit with Single 4.0in. Polished Pro-Series Tips. Detailed Printed Instructions Incl. Full-Color Available Online. Patented No Drone Reflective Sound Cancellation RSC Technology. Corsa 2006-2008 Hummer H3 3.5L Polished Sport Cat-Back Exhaust. 06-08 HUMR H3 3.5/3.7L; 3in.CB DRE 4in. SPRT. Dual Walled Polished Stainless Steel Tips. Custom Tuned - Aggressive Exhaust Note. Flows 20 Percent Better Than Stock. 304 Stainless Steel Construction. Easy Bolt-On Installation. Limited Lifetime Warranty. Inline 5 cylinder ONLY. No Welding Required. No Drone At Cruise. Lighter Than Stock. Made in the U.S.A.. Cat-Back. Exhaust

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