ISR Performance High Flow Cat - Infiniti Q60 3.0T | IS-HFC-Q60 IS300_2001-2005 Part #: PBR500

Part #: PBR500

2002 Subaru WRX only

Part #: TRU-TH-T803

but I'm not really familiar with them

ISR Performance High Flow Cat - Infiniti Q60 3.0T | IS-HFC-Q60 IS300_2001-2005 Part #: PBR500ISR Performance High Flow Cat Infiniti Q60 3. 0T 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