This true cold air intake system's striking polished tubes stand out in the VQ's engine bay, while its custom-built 10-1/2" wide air filter (that can be seen through the front grille) provides a race-inspired look. Fitment Information Infiniti G37 (Coupe/Sedan) Includes S/X/IPL; Engine Code: VQ37VHR V6 3.7L Gas (2008, 2009, 2010, 2011, 2012, 2013) Specs & Features Dyno Proven - 16 whp and 12 ft/lb tq gain! Outflows factory intake by 19% This product is 50-state legal for 2008-2013 G37 models (CARB EO# D-550-16). Includes washable and Reusable Pro DRY S Air Filter for Maximum Convenience Increases throttle response Direct bolt on, no modification required No tuning required Product Description aFe (advanced FLOW engineering) spends countless hours with each and every vehicle to ensure that their intakes produce the most horsepower possible.  Each intake is dyno tested over and over to ensure their design, air filter, and technology creates the best environment for the most power and torque.  We love this intake so much, we run it on our own shop cars! aFe uses their special high-flow conical air filters that allow the most possible air flow without letting in contaminants.  Each intake produces a deep and throaty sound and outflows the factory intake by an average of 30%! aFe Cold Air Intake Features: Dyno Proven Horsepower Direct Bolt On Installation Includes all necessary hardware