Add power and sound to your Infiniti Q50 or Q60 with this Twisted Steel upper and lower down-pipe exhaust system which produced up to +16 HP and +23 lbs. x ft. torque gains on our in-house dyno. This system includes high flow 400 CPSI primary cats and the upper and lower down pipes are made with 3" mandrel-bent, brush finished 304 stainless steel tubing for optimum flow for increased gains and stellar appearance. This modular design down-pipe system features a v-band machined flange connection to the factory turbo, utilizes stock mounting locations and includes mounting hardware for a direct bolt-on that requires no cutting or drilling for a hassle-free installation.

Performance Gains: In house dyno testing produced gains of up to +16 HP and +23 lbs. x ft. torque.

High Flow Catalytic Converters: This system includes high flow, 400 CPSI (cells per square inch) primary catalytic converters which are less restrictive than factory converter for maximum flow.

304 Stainless Steel Construction: This upper and lower down-pipe, cat-delete system is constructed of 3" mandrel-bent, brush finished 304 stainless steel tubing for maximum flow and corrosion resistance.

V-Band Machined Flange: Features a v-band machined flange connection to the factory turbo for a secure seal.

Modular Design System: Designed to be a true bolt on system with no cutting or modifications required. Quality hardware is included for a hassle-free installation.

TIG-Welded: 100% hand TIG-welded for race proven strength and durability.

Race Disclaimer: This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe POWER competition acknowledgement/liability release form must be filled out and submitted.

All aFe exhaust systems are engineered and manufactured in our Corona, California facility.