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The BBE Fusion is a bi-modal exhaust system, meaning it has two passages, or modes, that the exhaust can travel through the muffler. Each muffler has two outlets, with one side having a butterfly valve which allows the exhaust flow to be shut off, regulating which side of the muffler the exhaust flows through. 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" straight through the tubing.
The butterfly valve is controlled by a vacuum valve, built and developed by BBE Performance Exhaust. On the factory Z06/ZR1 and the 2008 & later C6 Corvette with the NPP option, this valve is controlled by the ECU (computer). The valve opens based on RPM and throttle position. Factory exhaust can be very quiet, even with the valve open on factory mufflers. The experts at B&B Performance worked hard to get the right "tone" for your C6 Corvette. In the closed position, the tone is deeper, louder, and more aggressive than stock. Open the valves, and the overall volume and tone increases to the point heads will turn when you drive up, similar to the famous Bullet systems.
The Z06/ZR1 system is a full 3" and can be combined with a BBE Performance Xpipe (optional Zip Corvette # EX-2107) for even more exhaust flow. The muffler tips are large 4" diameter double walled round design and the system comes satin brushed with polished tips and the result is a truly spectacular look and sound that gives your Corvette the look and aggressive sound which will have heads turning everywhere you go.
Gen 3 systems developed by B&B Performance were designed to provide a greater range between the quiet and load side. Essential they are designed to be louder on the loud side and quieter on the quiet side. Which provides more range between modes especially for Corvettes with multiple mods (such as headers or engine packages).
What if your Corvette does not have the factory NPP option - but you'd still like to have the bi-modal exhaust? BBE developed their own retrofit kit which allows a non-NPP Corvette to utilize bi-modal exhaust. The kit everything needed for the conversion; controller, vacuum hoses, control switch, and instructions. See Zip # EX-2217 for the Fusion retro control kit. Note: This kit is NOT required on NPP equipped Corvettes.
All B&B products are precision built, completely TIG welded, and are a direct replacement for stock exhaust components including all hardware and gaskets. A perfect mix of performance, sound and style for the C6 Z06 & ZR1 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.
|Model Year||2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013|
- WARNING: This product in the physical form it is sold does not present a hazard. However, operations including, but not limited to welding, brazing, or thermal cutting can expose you to chemicals including Chromium, Nickel, Cobalt, Arsenic, Cadmium and Lead which are known to the State Of California to cause cancer, birth defects and other reproductive harm. For more information go to www.P65Warnings.ca.gov
Billy Boat Exhaust
Billy Boat Exhaust started out manufacturing exhaust parts for the Porsche 911. As demand grew, they expanded to other vehicles, and over the last twenty-five years, B&B has fine-tuned their production of after-cat exhaust systems. B&B uses only the finest T-304 stainless steel, and they reinforce key points to prevent breakdown. The sound of their systems is tuned to precision, and they have a pleasant tone at cruising speeds while still roaring under sharp acceleration. Today, B&B offers a complete line of exhaust products for C3-C7 Corvettes. Zip is proud to offer their exhaust systems to our customers.