Fast Intentions Resonated HFCs – Infiniti G37/Q50 Sedan (2007-15)


Fast Intentions Resonated HFCs – Infiniti G37/Q50 Sedan (2007-15)


Available in stock

Quick Overview

***This is a made to order product with a 3-6 week lead time.



Direct OEM replacement; no cutting or welding required.
Available in 2.25 and 2.5″ mandrel bent T-304 stainless steel tubing.
The catalytic converter is a 300 cell metallic core incased within a spun stainless steel shell.
49 state OBD II compliant.
8″ perforated core resonator constructed of T-304 stainless steel with a 2.5″ inside core and a 3.5″ outside case.
J-Bend style O2 sensor anti fouler to ensure CEL (Check Engine Light) stays off.
3/8″ thick mild steel flanges. All flanges are bright nickel plated to eliminate potential corrosion.
All flanges are welded on the inside, sanded down and port-n-polished for a smooth exhaust flow. This process greatly reduces exhaust turbulence at the flange connection points.
(Optional) Extra wideband bungs can be welded in either one pipe or both pipes for an additional charge. A wideband bung is generally used for an Air/Fuel ratio reading on the dyno or an Air/Fuel wideband gauge within the vehicle.
Limited lifetime warranty on all welds and craftsmanship.
All gaskets and hardware included.
Built in the USA.


Refining the factory exhaust note by increasing depth and volume.
Reduction in EGT (Exhaust Gas Temperature.)
Weight: 15 lbs. (7 lbs. lighter than the factory catalytic converters.)


This product is hand built to order with a lead time of 2-4 weeks. Once your order is placed, you will receive an invoice with your estimated shipping date. Note: The 3-6 week lead time fluctuates based on order volume.
This product may not be legal for highway use on pollution controlled motor vehicles.
Customers outside the continental U.S. are subject to additional shipping charges.
Image(s) shown may not reflect actual products.
CA residents are subject to additional $44- reship & handling charge

Additional Information

Tubing Size:

2.25", 2.5"

Vehicle Year

2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016


G Sedan(07-13), Q50 Sedan(14-15)


6MT (Manual), 5AT (Automatic) 2008, 7AT (Automatic) 2009+


Rear Wheel Drive, All Wheel Drive

California Shipment:

No, Yes


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Make Model Year
Infiniti G37 Sedan 2009
Infiniti G37 Sedan 2010
Infiniti G37 Sedan 2011
Infiniti G37 Sedan 2012
Infiniti G37 Sedan 2013
Infiniti Q50 Sedan 2014
Infiniti Q50 Sedan 2015
Infiniti G35 Sedan 2007
Infiniti G35 Sedan 2008
Make Model Year