CAMARO6 - View Single Post - Has anyone installed manual cutouts on NPP Exhaust

parish8 · 03-15-2017, 03:14 PM

The issue I see with the npp valves tied in before the muffler is they are on the small side. It will get louder but won't flow as much air as a 3" cut out would.

03-15-2017, 03:14 PM	#17
parish8 Drives: 17 SS a8 Join Date: Feb 2010 Location: omaha Posts: 1,678	The issue I see with the npp valves tied in before the muffler is they are on the small side. It will get louder but won't flow as much air as a 3" cut out would. __________________ dropped a valve in the 6.2. now running a drop in rods and piston 5.3 best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472