I have an FI and I love it. Sounds great and looks badass from the rear. When I was doing my exhaust research, it came down to FI and ARK. They both sound and look amazing.
A local has the shockwave with ART pipes. It's loud but not obnoxious.
+1 for no single exits on this car. Keep it dual!
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F.I. / K&N / 180 / Forgestar 
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