Sound wise it is pretty different. There is no hissing what so ever probably because all the gasses are being expelled evenly and are synchronized by the H part of the exhaust. When I was building my setup, I wanted no drone so my focus was to eliminate any resonance that could occur throughout the system. All in all it worked out great for me. Everything I was looking for in a system was there with this setup. I still have yet to put on my HFC. It might be too loud though so I might put my resonators from AAM back on. It should sound like sex. We'll see! ^_^
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2011 Gun Metallic Nismo 370Z 6MT #435
Autohaus Progressive
@johanncarlow
autohausp@icloud.com
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