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Old 10-11-2013, 12:54 PM   #12
Viper32
 
Drives: 2014 2SS/RS 1LE Black on Black
Join Date: Oct 2013
Location: Spartanburg, SC
Posts: 27
Quote:
Originally Posted by PYROLYSIS View Post
The NPP exhaust works by a butterfly valve that opens and closes 2 of the four exhaust exits. When you first start the car or get hard on the throttle the valves open. The valves close during low RPM cruising. If you pull the fuse the valves stay open all the time making your exhaust louder all the time.
Thanks and can you tell me which fuse this may be, and location?

So has anyone added the ZL1 sides diffusers? Price?

Also without HID what about a brighter bulb for the fogs to match the HID's any suggestions?

Viper
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