The Nismo S-Tune Cat-Back Exhaust System for the 2003-2006 Nissan 350z has a single 3" stainless steel pipe with Y-Pipe, all flowing out a single muffler via two double-walled 4" NISMO laser-etched oval tips. Not only is it 9lbs lighter than the stock exhaust, you'll see gains of 6HP and 3.5lb-ft gain at the wheels. This system is a direct bolt on (it's from NISMO) with no additional modification needed. This exhaust is 50-State legal. All installation hardware is included.
All S-Tune components are covered by the Nissan Parts and Accessories Limited Warranty.
Nismo Part# 20100-RSZ35