ISR Performance Series II GT Single Exhaust System -Resonated- Nissan 240sx 89-94 (S13) vendor_Borla It replaces either a trumpet

It replaces either a trumpet or recirc outlet to effectively disable the venting port

62% Better Flow than OEM – More flow/less restriction

and uses the factory engine cover as it's top cover

and a hot side O-ring gasket

ISR Performance Series II GT Single Exhaust System -Resonated- Nissan 240sx 89-94 (S13) vendor_Borla It replaces either a trumpetPart #: IS S2GTR S13 ISR Performance Series II GT Single Exhaust Nissan 240sx 89 94 (S13) The ALL New ISR Performance Series II GT Single exhaust is an incredibly stylish and aggressive exhaust system at an affordable price. Constructed of high quality stainless steel, the GT Single utilizes 3" piping for the mid pipe and the majority of the rear section before expanding to a 5" Round Muffler with a 4. 5' extended tip.. Utilizing our all new Series II