WHEN IT COMES TO MODIFYING YOUR S13 OR S14 NISSAN 240SX CHASSIS, ONE OF THE FIRST THINGS THAT COMES TO MIND IS THE EXHAUST SYSTEM. WHETHER YOU ARE LOOKING TO KEEP IT QUIET WITH AN ISR 240SX MBSE EXHAUST OR WANT TO WAKE UP YOUR NEIGHBORHOOD AND SET OFF CAR ALARMS WITH THE EP SERIES 240SX BLAST PIPES, WE GOT YOU COVERED. ALL ISR PERFORMANCE ( FORMERLY KNOWN AS ISIS PERFORMANCE) 240SX EXHAUST SYSTEMS ARE DURABLE STAINLESS STEEL CONSTRUCTION, LIGHTWEIGHT AND FIT SNUG TO THE CHASSIS AT A VERY AFFORDABLE PRICE! FREE SHIPPING ON ALL EXHAUST SYSTEMS WITHIN THE STATES!