ISR PERFORMANCE / EXHAUST LOWER DOWN-PIPE WITH HIGH-FLOW CATS (IS-HFC-Z33) *** INFINITI G35 (2003-2005), NISSAN 350Z (2003-2006) VQ35DE ENGINE

ISR Performance High Flow Cat - Nissan 350Z/ Infiniti G35 Non HR.

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.

These HFC's are for Nissan 350Z DE engines. If you have a 2007-UP Nissan 350Z with HR engines please use IS-HFC-Z34 / 370Z.

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.

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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. ***

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FITS:

* 2003 INFINITI G35 (3.5L) VQ35DE ENGINE

* 2004 INFINITI G35 (3.5L) VQ35DE ENGINE

* 2005 INFINITI G35 (3.5L) VQ35DE ENGINE

FITS:

* 2003 NISSAN 350Z (3.5L) VQ35DE ENGINE

* 2004 NISSAN 350Z (3.5L) VQ35DE ENGINE

* 2005 NISSAN 350Z (3.5L) VQ35DE ENGINE

* 2006 NISSAN 350Z (3.5L) VQ35DE ENGINE