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2012-2015 CIVIC Si Sedan Invidia Q300 Polished Stainless Steel Tip Cat-Back Exhaust
The flat bottom shaped muffler design results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a r...
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