F. I. is by far the most popular exhaust....at least on this forum....but there are other brands out there that sound great....When it comes down to it, its all a matter of preference. To each his own...Some care about numbers more than sound while others care more about sound then actual HP gains...
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2013 Nismo Z34 / FI TT #091 / IG: @lilzilla_z34
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