Takeda Cat-Back Exhaust 2016-2024 Infiniti Q50 V6 (3.0L)Performance Gains: In testing, this cat back exhaust system produced gains up to +18 HP and +19 lbs. x ft. of TQ, as measured on our in house dyno. Aggressive Exhaust Tone: Dual, 4" x 15" resonators and a muffler delete axle back section produce an aggressive, powerful exhaust note while unleashing more horsepower and torque potential. An optional resonator delete pipe is available (PN 49M00035). Dual, 4 1 2" Carbon Fiber Exhaust Tips: This dual rear