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Twisted Steel 2-1/2" Rear Down-Pipes/Mid-Pipe

Infiniti Q50 16-19 V6-3.0L (tt)
Part Number: 48-36111-RN

MSRP: $577.50


  • Dyno-Proven Gains up to +9 HP and +13 Lbs. x Ft. TQ
  • Retains Primary Factory Monitored Cat, No Check Engine Light
  • Eliminates Unmonitored Rear Cat
  • 2-1/2" Mandrel Bent, Brushed Finish, 304 Stainless Steel Tubing Improves Flow
  • Utilizes Factory Mounting Brackets, Flange Connection, and Quality Hardware for a Direct-Fit Install
  • 100% Hand TIG Welded for Strength and Durability
Read More

Add dyno-proven power and unique sound to your Infiniti Q50 or Q60 with this Twisted Steel Race Series lower down-pipe system that outflows and outperforms the factory down-pipes. 2-1/2" mandrel-bent, brushed finished 304 stainless steel tubing improves exhaust flow to deliver increased horsepower, torque and sound. These modular designed lower down-pipes are a direct fit and require no cutting or modifying for a hassle-free installation.

Performance Gains:
In house dyno testing produced gains of up to +9 HP and +13 lbs. x ft. torque.

304 Stainless Steel Construction:
This down pipe system is constructed of 2-1/2" mandrel-bent, brush finished 304 stainless steel tubing for maximum flow, corrosion resistance and quality finish.

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

Hassle-Free Install:
This modular-designed down-pipe system utilizes factory mounting points, flange connection and requires no modifying, cutting or drilling for a hassle-free installation.

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.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2016-2019Infiniti Q50 (V37) Twin Turbo; Includes Sport/Red Sport 400 V6 3.0L Gas
2017-2019Infiniti Q60 (CV37) Twin Turbo; Includes Sport/Red Sport 400 V6 3.0L Gas
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