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JFM-jr · 07-01-2016, 08:26 PM

I am wondering if this will keep the forward AFM valves open 100% of the time. The car sounds so much better at an idle when those valves are open the first 30 seconds after a cold start. Then they close and dampen the exhuast note even if the fuse is pulled on the rear NPP valves.

07-01-2016, 08:26 PM	#1
JFM-jr Drives: 2016 Camaro 2SS Join Date: Mar 2016 Location: Suffolk Long Island Posts: 954	Range device users I am wondering if this will keep the forward AFM valves open 100% of the time. The car sounds so much better at an idle when those valves are open the first 30 seconds after a cold start. Then they close and dampen the exhuast note even if the fuse is pulled on the rear NPP valves. __________________ 2016 Hyper Blue 2SS A8,NPP,Moonroof Pray ported factory intake manifold Ported TB Rotofab ARH 1 7/8 longtubes hi flow cats AFM deleted E85 11.0@124.9 11.65@118.8 pump gas,stock tune/exhaust New combo: Pray Performance Heads/cam MSD intake manifold and Circle D 3C 554/491 on E85 all work & tuning done by Pray