Corvette Mod's now offers you Billy Boat's 2014+ C7 Corvette B&B Bi-Modal Exhaust System for cars equipped with the NPP exhaust system. This exhaust system will provide a deeper volume to the sound of your car then the OEM NPP system. The exhaust system has two different passages for the exhaust to travel through. The first passage will deliver a deep smooth V8 muscle car sound. The second passage will increase the sound volume to high levels as well as increases horsepower and torque.
- Comes with 3" butterfly valve system. (OEM uses 2.5" valves)
- Pipes diameter are 3".
- Made of T-304 Stainless steel then TIG welded.
- Made in USA.
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