ISR Performance High Flow Cat Nissan 350z Z33 2003-2006 VQ35DE vendor_WedsSport Leave those little noise makers

Leave those little noise makers behind and upgrade to a system tunable to your Subaru without triggering that dreaded check engine light and compromising daily drivability

Part #: DS81895511415BZ

Part #: ABW-NEWAGE-SPOILER

Part #: WGCR435WAGP

2015-2018 Subaru STI

ISR Performance High Flow Cat Nissan 350z Z33 2003-2006 VQ35DE vendor_WedsSport Leave those little noise makersPart #: IS HFC Z33 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