Take Control of Your 2008 Corvette’s NPP Exhaust

Take Control of Your 2008 Corvette’s NPP Exhaust

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One of the new options available on the 2008 Corvettes is the NPP Performance Exhaust. The exhaust features two ports on each side with one port on each side that remains closed by a butterfly valve while driving “normally” (a term loosely applied). When the driver demands more the closed valves spring wide open and unleashes the full volume from the 6.2 Liter LS3 V8. Corvette people dance to a different drum though and the first mod that an owner does to his NPP-equipped Corvette is pull the fuse on the butterfly valves which sets them open all the time. Enter Sunset Orange Creations. Recognizing the need for customization, they created the NPP/Z06 Exhaust Commander, the first RPM adjustable Bi-mode exhaust controller for the C6 and Z06 Corvette equipped with the NPP bi-mode exhaust. Using the Commander, you can set the butterfly valves to open at either a predetermined RPM or you can set them to full open. The commander works by tapping into the vacuum control solenoid to open and close the butterfly valves. Another connection is made with the Tachometer signal and a RPM control unit allows you to customize at what RPM the valves open. Really cool is the wireless remote that can be used to switch instantly between your predetermined RPM open setting and fully open setting. Sunset Orange Creations says the unit is 95% plug and play and installation instructions with detailed photos are provided. These kits work for all Z06, NPP and retrofitted NPP/Z06 Exhaust systems. The NPP Exhaust Commander is offered for $175 with free shipping in 48 states. For more information, visit Sunset Orange Creations.
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Senior Editor and founder of "Corvette: Sales, News & Lifestyle". I drive my dad's 1966 Corvette Sting Ray Convertible and call the Corvette Museum home.

2 COMMENTS

  1. Mark:

    I don’t see why an O8 NPP Exhaust couldn’t be retrofitted to earlier C6 models. You may want to ask Ben at Sunset Orange Creations as he seems to have experience with the workings of the NPP system. Thanks for visiting.

    Keith

  2. Keith,

    Thanks for the fine work! I’ve been wondering if the ’08 exhaust system can be installed on earlier C6 Vettes. If the GM system doesn’t fit, I’m sure the after market folks will soon have one!

    Mark

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