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Returning to this thread because it's go time. The smooth idle cam is smooth, but it sounds louder, correct?
Anyone running either the smooth or rough idle cam with the factory npp exhaust? Wondering about the quiet mode sound...
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2017 Camaro 2SS vert - Nightfall Gray
Magnuson Heartbeat SC - Tuned by JRE Racing
776whp/745wtq (12psi)
2018 Corvette Z06 vert- Black
To be tuned by JRE Racing
TBD performance
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