ISR High Flow Cat 300 Cell Metallic Catalytic Converter for Nissan 240sx, Silvia S13 S14 S15 - Off-Road Competition Use Only Racing Apparel 842" lifter bore

842" lifter bore

Each side mounts to its respective frame rail and supports that half of the bumper assembly

preserving the integrity of your vehicle

Hard panel construction - Rigid material holds its shape and supports weight without flexing

Hard panel construction with modern LED brightness that cuts through traffic

ISR High Flow Cat 300 Cell Metallic Catalytic Converter for Nissan 240sx, Silvia S13 S14 S15 - Off-Road Competition Use Only Racing Apparel 842" lifter boreISR 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