Here's a sound clip of the Stillen Cat-Back vs. Stock.
And here is a Stillen Cat-Back exhaust for sale.
That's what i have to say about that 
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2018 Camaro SS 1LE (455hp) - 2011 Nissan 370z (333hp) - 2004 VW R32 (240hp) - 2000 Civic Si (160hp)
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