I have non res and a Nismo catback, the hiss is pretty apparent at full throttle under 4-5k RPM, but you won't hear it up top. I don't really get any rasp or drone.
Edit: How much louder is the Stillen CBE compared to Nismo? I'd be happy to make a video of my car, just tell me what you want to hear
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2014 Nissan 370z Gun Metallic 6-spd
Test Pipes | Nismo CBE | Stillen Gen3 | Swift springs | Advanation Sway Bars | RJM Clutch | GTR DBA Premium Wheels
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