The B&B Fusion C6 Corvette Cat Back Exhaust is a bi-mode system, meaning it has two passages the exhaust can travel through the muffler. Each of the Fusion mufflers have two outlets, with one side having a butterfly type valve which allows the exhaust flow to be shut off, regulating which side of the muffler the exhaust flows. One side of the muffler is the "quiet" side, and one side is the "loud" side. The "quiet" side is a smaller, muffled and chambered tube, while the "loud" side is 3 inch tubing straight through. The butterfly is controlled by a vacuum valve, which B&B built and developed completely in house. On the Z06 and the 2008 C6 with the NPP option, this valve is controlled by the ECU. The valve opens based on RPM and throttle position. The problem is the factory exhaust is very quiet, even with the valve open. Billy Boats expertise is getting the tone right for your Corvette, and we think we nailed this one. Even in the closed position, the tone is deeper, louder, and more aggressive. Open the valves, and get the true sound of your Corvette
What if I have a standard C6?
Not everybody has a Z06 or the 2008 with NPP. Billy Boat Performance Exhaust has spent months developing a stand-alone kit which allows any C6 to take advantage of the bi-mode system. The kit come complete with all the wiring, mild-to-wild switch, vacuum line, vacuum accumalter, and vacuum switch needed for installation. We have used the engine as the vacuum source (it is the same port the factory uses for the NPP) and the installation is simple and straight forward. The Z06 system is 3 inches, while on the C6 it is 2 ½ inches.
Billy Boat has combined the best of the Bullet exhaust with the best new technology to give you the Fusion System for your Corvette. The muffler tips are double walled, 4" round or 4.5" oval. The entire system comes completely polished and the result is a truly spectacular look and sound that gives this high performance sports car the look and aggressive sound which will have heads turning everywhere you go.
All B&B products are precision built in rugged fixtures, completely TIG welded, and are a direct replacement for stock exhaust components and include all hardware and gaskets. No machining, no cutting and no welding means easy installation. B&B provides the perfect mix of performance, sound and style your Corvette . Each Billy Boat Performance Exhaust system is backed by a lifetime warranty against rust, corrosion or burn through and 2 full years against defects in materials or workmanship.
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