The ISR Performance Single GT Cat-Back Exhaust for the Nissan 350Z is a Y-pipe back system made from 3 inch mandrel bent stainless steel. ISR Performance was formerly known as ISIS Performance, so if you have seen the ISIS 350Z single exit exhaust around, this is the same design. It replaces the heavy factory exhaust with a single exit setup that flows freely for maximum horsepower while keeping a deep, aggressive tone that suits the VQ35.
The 3 inch single exit works for both naturally aspirated and forced induction 350Z builds. To complete the system, pair it with an ISR Y-pipe and VQ35 headers so the whole path from the heads to the tip flows together.
This exhaust only fits the Nissan 350Z. It is a Y-pipe back system, so the factory or an aftermarket Y-pipe remains in place ahead of it.
All ISR Performance products are designed for off-road use only.
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