ISR MBSE Type-E Dual Tip Exhaust System - Nissan 240sx 95-98 S14 The Newest Exhaust to come from ISR Performance Products. The ISR Exhaust is a complete stainless steel exhaust system, from the main muffler canister and piping to the internal resonator, hangers and brackets. This system provides both form and function. A comfortable sound and overwhelming high-end power. This exhaust has a very mellow tone. It is designed for form and function. Comprised of full 3" stainless steel piping, full size muffler and Dual tip, you will get the HP gains you expect and the sound you want. Removal of factory tow hook may be required.