Quote:
Originally Posted by njweatherman
Question for you guys? I have a 2018 2ss with dual npp exhaust. Everything else is stock. I'm looking at your American Thunder axle back 409S system. The dual npp exhaust from Chevy has some decel pop. Will the axle back make it worse, better, or will it stay the same? Thanks!
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I recently spoke with the owner of our red 6th gen SS which has the American Thunder system and he believes that the pops and crackles may have become slightly more audible after the installation but not to the point of being annoying. We have also installed our Scavenger X-Pipe and our Delta Force Performance Air Intake which can also affect the exhaust note. If you have any additional questions please feel free to PM me.
- Jason @
Flowmaster