Metallic substrate HFC’s. Spun catalytic converters. Full stainless steel construction. Metallic substrate offers higher flow and lighter weight. Uses advanced spiral wound ultra thin foil. Perfect for forced induction use. Click on the “Large View” for a side by side comparison of the metallic substrate vs. standard ceramic substrate. Made in the USA. Note: Pictured with OPTIONAL Left & Right Wideband bungs ports w/ plugs.
High flow and no test pipe smell. You can have the best of both worlds. Includes new front and rear gaskets & nuts/bolts.
| Year | Make | Model | Trim | Engine Type |
| 2003-2006 | Nissan | 350Z | Coupe | VQ35DE |
| 2003-2007 | Infiniti | G35 | Coupe | VQ35DE |
| 2003-2006 | Infiniti | G35 | Sedan (RWD/AWD) | VQ35DE |
For VQ35HR & VQ37HR applications use part number BT1407-HFC-MET.
As of January 1st, 2009, performance high flow cats are intended for off-road use only in the state of California. Made in the USA and is EPA approved.