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MagnaFlow Sys C/B 08 Infiniti G37 3.7L V6The MagnaFlow INFINITI Street Series 16820 brings out the personality of your 3.7L 2008-2015 INFINITI with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 3 Straight-Through mufflers ending in a Dual Split Rear exit with 4.5in. Polished Welded-On-Double Wall-Angle Cut-Folded Edge tips, this INFINITI exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other INFINITI’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16820 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16820 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.
Street Series Performance Cat-Back Exhaust System; 2.5 in.; Incl. X-Pipe/Dual Resonators/5x8x18 in. Muffler/Tailpipe/Dual 4 in. Round Tips; Dual Split Rear Exit; Stainless;
The Street Series Stainless Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.. Exhaust|MagnaFlow|Muffler|Performance|Cat Back|Exhaust System|Stainless|Mandrel. MagnaFlow Sys C/B 08 Infiniti G37 3.7L V6. Sys C/B 08 Infiniti G37 3.7L V6. Exhaust Muffler Kit. Exhaust System Kit. Exhaust System. ExhSystem. Cat Back. Cat-Back. 25173700. Exhaust
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 Magnaflow
MagnaFlow got its start as a natural extension of Car Sound Exhaust, the parent company to MagnaFlow. Car Sound Exhaust specializes in superior catalytic converter and performance exhaust technology, and has been doing so for the past 35+ years, earning their reputation as an international market leader. In addition to the MagnaFlow brand, Car Sound Exhaust also represents Rumble and Bosal USA, further cementing the company as an industry leader in all areas of replacement and performance exhaust.
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
2014 Infiniti Q60 Base
2014 Infiniti Q60 Journey ( door , HP Cylinder L, speed )
2014 Infiniti Q60 IPL
2015 Infiniti Q60 Base
2015 Infiniti Q60 Journey ( door , HP Cylinder L, speed )
2015 Infiniti Q60 S
2015 Infiniti Q60 S Limited
2015 Infiniti Q60 IPL ( door , HP Cylinder L, speed )
2014 Infiniti Q60 S
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