J2 Engineering Stainless Steel Cat Back Exhaust System for 09-13 Infiniti G37 Sedan

A well-designed performance exhaust system can make a world of difference on your vehicle. The larger pipes, low-restriction mufflers, and tuned resonators of such a system can result in lower auto exhaust backpressure, more horsepower, more torque, and a much better sound.

Upgrading your vehicle's exhaust system is a great way to build horsepower, free up trapped torque, and improve upon restrictive factory systems. The net result is a significant boost in performance and a more aggressive, yet smooth, exhaust tone.

【FITMENT】This exhaust system is compatible with 2009-2013 Infiniti G37 Sedan 4-Door models.

【Quality Construction】Crafted from high-quality T-304 stainless steel, this exhaust system features computerized mandrel-bends for enhanced strength and durability. The TIG-welded CNC machine flange provides resistance against pressure and corrosion.

【Enhance Performance】Dyno testing has proven this exhaust system to instantly increase horsepower by 15 - 25, as well as boost low-end torque. The aggressive, yet smooth, tone ensures efficient exhaust gas flow and increased engine output and efficiency.

【Muffler & Diameter】This system features a 4-inch (OD) dual rolled muffler tip, a 2.25-inch (ID) inlet, and a 2.375-inch (OD) main piping.

【Design】The larger pipes, low-restriction mufflers, and tuned resonators of this well-designed performance exhaust system can make a stunned effect on your vehicle. The result is lower auto exhaust backpressure and a much better sound.

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