ISR PERFORMANCE / EXHAUST LOWER DOWN-PIPE WITH HIGH-FLOW CATS (IS-HFC-Z34) *** INFINITI G35 (2006-2007), INFINITI G37 (2008-2013), NISSAN 350Z (2007-2008), NISSAN 370Z (2009-2020) VQ35HR / VQ35VHR ENGINES

ISR Performance High Flow Cat / Infiniti G35 VQ35HR / Infiniti G37 VQ37VHR / Nissan 350Z VQ35HR / Nissan 370Z VQ37VHR

ISR Performance high flow cats are custom made utilizing 300 Cell Spun Metallic Substrate to be less restrictive than stock, letting you gain power while still converting harmful exhaust gasses, ISR HFC are Fully TIG welded with true mandrel bends throughout. ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC also retains the factory Oxygen sensor location and also adds a more aggressive Exhaust tone.

Product Features:

* (2x) Stainless Steel 300-Cell High Flow Cats.

* (2x) 2-Bolt x 2.75 Inch Exhaust Gaskets.

* (2x) 3-Bolt x 2.75 Inch Exhaust Gaskets.

* (2x) O2 Extension Pipes.

---

NOTE: *** Legal only for use in competition vehicles, which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles. ***

---

FITS:

* 2006 INFINITI G35 (3.5L) VQ35HR ENGINE

* 2007 INFINITI G35 (3.5L) VQ35HR ENGINE

FITS:

* 2008 INFINITI G37 (3.7L) VQ37VHR ENGINE

* 2009 INFINITI G37 (3.7L) VQ37VHR ENGINE

* 2010 INFINITI G37 (3.7L) VQ37VHR ENGINE

* 2011 INFINITI G37 (3.7L) VQ37VHR ENGINE

* 2012 INFINITI G37 (3.7L) VQ37VHR ENGINE

* 2013 INFINITI G37 (3.7L) VQ37VHR ENGINE

FITS:

* 2007 NISSAN 350Z (3.5L) VQ35HR ENGINE

* 2008 NISSAN 350Z (3.5L) VQ35HR ENGINE

FITS:

* 2009 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2010 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2011 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2012 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2013 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2014 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2015 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2016 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2017 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2018 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2019 NISSAN 370Z (3.7L) VQ37VHR ENGINE

* 2020 NISSAN 370Z (3.7L) VQ37VHR ENGINE