Fitment Information Infiniti Q50 3.0T V6 (2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023) Emissions Compliance This exhaust does not alter or replace any emissions equipment.  Does not ship to California. Specs & Features This is a muffler delete exhaust - will be LOUD (Off Road Use Only) Includes Y-Pipe.  Full exhaust from the downpipes back. Stainless steel pipes and canister Corrosion resistant and lightweight Beautiful double walled stainless steel muffler tip - 4.0" dia. TIG welded joints and CNC'd flanges for durability Direct bolt on replacement after catalytic converter Mandrel bend pipes for smoother exhaust flow Deep aggressive tone Stainless steel installation hardware included Up to 40% weight reduction compared with OEM exhaust kit Increases horsepower 2.5" Piping with 4" Tips Rev9 exhaust systems deliver the most possible power from their minimal bends design.  Each exhaust is designed to have the smoothest possible exhaust flow to give you the least possible exhaust restriction, the most power, and the best sound. Rev9 exhausts are designed to have the best fitment and unless stated otherwise, are a direct bolt on replacement for your factory exhaust system.  Mandrel bent piping and TIG welded joints offer the best performance while being long lasting.