Exhaust settings
Le Mans Master
Joined: Sep 2006
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From: Palm Harbor not far from Sebring Florida
St. Jude Donor '11
Oldtimer
Race Director
Joined: Oct 2004
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From: Home of the VOLS ! Knoxville, TN. Tennessee
St. Jude Donor '11-'12-'13, '15, '16-'17-'18-'19
I was not aware of fuse changing locations by years.
Everyone talks about fuse #42 for the NPP. Mine was pulled on my 2015 when I bought the car.
I put it back in because I don't need the exhaust loud at highway speeds.
Everyone talks about fuse #42 for the NPP. Mine was pulled on my 2015 when I bought the car.
I put it back in because I don't need the exhaust loud at highway speeds.
Safety Car
Joined: Dec 2012
Posts: 3,859
Likes: 1,865
From: St. Louis Metro East IL
NPP Fuse #41 (2014), #42 (2015 - 2018), #87 (2019).
The fuse is in the same physical location, but fuses have been renumbered over the years. Check the online manuals for exhaust valve 2.
Ron
The fuse is in the same physical location, but fuses have been renumbered over the years. Check the online manuals for exhaust valve 2.
Ron
Tech Contributor
Joined: Oct 1999
Posts: 41,058
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From: Charlotte, NC (formerly Endicott, NY)
A8s are trickier because the AFM operation will close the valves every time the engine switches to 4-cylinder operation and open them every time the engine is in 8-cylinder operation. The only time AFM doesn't operate is when the transmission is used in manual mode or if sufficient throttle is used to prevent the low load situations that activate AFM.
Bill
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Burning Brakes
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Melting Slicks
Joined: May 2006
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From: Nashville TN
St. Jude Donor '09
No, the only way to have the valves open 100% of the time is to pull the NPP fuse or install a Mild2Wild. Otherwise, regardless of sound management setting, they will close under certain conditions.
Moderator
Joined: May 2010
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From: Northern Illinois
2023 Corvette of the Year Winner - Modified
2022 C7 of the Year Winner - Modified
St. Jude Donor '18 thru '25
Don't waste money on a mild to wild box you have to stick somewhere and cut holes and that crap A better option would to build this unit. Easy to do, inexpensive.. works awesome! Scroll to end and you can see my build..
https://www.corvetteforum.com/forums...ob-how-to.html
https://www.corvetteforum.com/forums...ob-how-to.html