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Additional Details
About the Brand
Vehicle Fitment

Injen 08-13 Infiniti G37/G37 IPL Coupe 3.7L 76mm Stainless Steel Exhaust w/ Titanium TipsThe Injen Technology engineers are experts when it comes to performance, PERIOD. From Cars to Trucks to Powersports, Injen has a variety of exhaust systems to choose from. All of Injen Technology Performance exhaust systems are constructed from mandrel bent stainless steel tubing Mandrel-bending ensures the tubing maintains its shapes and size throughout the entire length, providing smooth, unrestricted airflow. From the Investment cast flanges to the custom hangers, all Injen exhaust systems are 100% TIG welded and handcrafted in the USA and include all tubing, mufflers, and hardware necessary for a hassle free installation. Each system is uniquely designed to offer an aggressive sound that brings out some massive power. Like all other Injen products, the Injen exhaust systems are proudly built in Pomona, CA.
Cat-Back Exhaust System; Incl. Stainless Steel Tubing/Mufflers/Flanges/X-Pipe Resonators/Dual Wall Burnt Titanium Tips; HP Gains +16.0 HP/Torque Gains +15.0 ft. lbs.; Polished;
This part fits:Infiniti 2008-13 G37 Coupe 3.7L 6 cyl.Dual 60mm S.S. cat-back system w/built-in resonated X-pipe; custom molded S.S.Flanges; embossed Injen logos on all mufflers and resonated Titanium dual wall; rolled-burnt tips.
Injen 08-13 Infiniti G37/G37 IPL Coupe 3.7L 76mm Stainless Steel Exhaust w/ Titanium Tips. Performance Exhaust System. INFINITI EXHAUST SYSTEM. Injen Exhaust System. Exhaust System Kit. Exhaust System
Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle.
Replacing the OEM catback on your car is one of the first modifications we recommend to any new car enthusiast. Replacing the OEM catback with an aftermarket exhaust system is a great way to increase horsepower, style, and the sound of your car.
Additional Details
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WARNING: Cancer & Reproductive Harm. For more information, go to www.P65Warnings.ca.gov
Installation Instructions

About Injen
In 1988, a young entrepreneur named Ron Delgado was working late into the evening – trying to find a better way to polish products for his family “job shop” business. At the time, most machines only polished along flat surfaces. But when Ron had the idea for a multi-axis machine – which could polish better and faster than anything he had used before – he was determined to make it a reality.
What began as a mission to perfect the art of polishing soon grew into a full-fledged quest to develop industry-changing design and manufacturing solutions. And, in 1991 – as the demand for high-quality aftermarket air induction products began to reach scale – Ron knew he had found an opportunity to make his mark on an industry he loved.
Launching Injen – with a pioneering patent that allowed enthusiasts to achieve better performance from their vehicles without annoying “Check Engine Lights” (CEL’s) – Ron and his team have never waivered from their commitment to innovate and deliver products that solve for the increasingly complex nature of vehicles brought to market.
Nearly three decades later – with several more patents developed and applied to several thousand new products – the Injen brand has become a household name among enthusiasts who demand high quality, dyno-proven solutions for their vehicles.
As we continue to grow – expanding into new market segments and to further regions of the world – the Injen team holds steadfast to the vision of our founder with innovation that transforms the look and performance of your vehicle.
Vehicle Fitment
2008 Infiniti G37 Base ( door , HP Cylinder L, speed )
2008 Infiniti G37 Journey ( door , HP Cylinder L, speed )
2008 Infiniti G37 Sport ( door , HP Cylinder L, speed )
2009 Infiniti G37 Base
2009 Infiniti G37 Journey
2009 Infiniti G37 Sport
2009 Infiniti G37 X
2010 Infiniti G37 Base
2010 Infiniti G37 Journey
2010 Infiniti G37 Sport
2010 Infiniti G37 X
2011 Infiniti G37 Base
2011 Infiniti G37 Sport
2011 Infiniti G37 X
2011 Infiniti G37 Journey
2011 Infiniti G37 IPL
2012 Infiniti G37 Base
2012 Infiniti G37 IPL
2012 Infiniti G37 Journey
2012 Infiniti G37 Sport
2012 Infiniti G37 X
2013 Infiniti G37 Base ( door , HP Cylinder L, speed )
2013 Infiniti G37 Journey
2013 Infiniti G37 Sport
2013 Infiniti G37 X
2013 Infiniti G37 IPL
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