03-11-2020, 10:04 AM
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#5
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Drives: 2019 2ss 1LE
Join Date: Mar 2019
Location: Kennett square, PA
Posts: 307
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Quote:
Originally Posted by Coded4SS
I went axleback atak with NPP valves. It's loud at times but only maybe 10 percent louder then stock. I'm working on getting the catback stuff to make it louder. Also 19+ GM changed the engine tune so there's more pops and crackles on decel
The borla dosnt change that, it will still definately be there.
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What about at idle?
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