When does NPP kick in? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Lazruss · 11-11-2015, 02:58 PM

I drive a 2010 with SLP Loudmouth II, and really love the deeper tone, and volume even at idle. If I understand want I've read correctly, NPP only kicks in at higher RPM. So, at idle, does it sound like stock exhaust? What RPM makes the valve open?

SSNYSTR · 11-11-2015, 04:44 PM

Quote:

Originally Posted by Lazruss

I drive a 2010 with SLP Loudmouth II, and really love the deeper tone, and volume even at idle. If I understand want I've read correctly, NPP only kicks in at higher RPM. So, at idle, does it sound like stock exhaust? What RPM makes the valve open?

I think the 5th Gen is at 3,000 RPM's(could be wrong) but there's a fuse you can pull to have them open all the time. On the 6th Gen there's a setting to have them open whenever.

oldchevyguy · 11-12-2015, 05:24 PM

My neighbors all know when I am driving my Z06 with the NPP fuse removed

11-11-2015, 02:58 PM	#1
Lazruss Drives: 2016 2SS Join Date: May 2015 Location: Michigan Posts: 30	When does NPP kick in? I drive a 2010 with SLP Loudmouth II, and really love the deeper tone, and volume even at idle. If I understand want I've read correctly, NPP only kicks in at higher RPM. So, at idle, does it sound like stock exhaust? What RPM makes the valve open?

11-12-2015, 05:24 PM	#3
oldchevyguy Drives: 2015 SS/RS 1LE Join Date: Aug 2008 Location: SW Utah Posts: 142	My neighbors all know when I am driving my Z06 with the NPP fuse removed __________________