ISR High Flow Cat 300 Cell Metallic Catalytic Converter for Nissan 240sx, Silvia S13 S14 S15 - Off-Road Competition Use Only Racing Apparel preserving the integrity of your

preserving the integrity of your vehicle

Bolt-on catback exhaust built from stainless steel with a single rolled tip for cleaner flow and durability

no universal compromise

ensuring good street drivability even even at lower fuel levels

OEM-spec mounting - Aligns with factory fascia cutouts for zero fitment guesswork

ISR High Flow Cat 300 Cell Metallic Catalytic Converter for Nissan 240sx, Silvia S13 S14 S15 - Off-Road Competition Use Only Racing Apparel preserving the integrity of yourISR Performance High Flow Cat Nissan 240sx ISR Performance high flow cats are custom made utilizing high flow 300 cell spun Metallic substrate to be less restrictive than stock, Letting you gain power while still converting harmful exhaust gasses, ISR Performance HFC bolt up to factory or aftermarket exhaust (as long as the aftermarket exhaust is built from OEM specs). ISR HFC adds a more aggressive Exhaust tone. **For off road use only** Legal only