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aFe Power Twisted Steel Downpipe Kit - 15-20 F-150 3.5L Ecoboost

  • Dyno-Proven Gains up to +8 HP & +15 Lbs. x Ft. TQ
  • Constructed out of Stainless Steel for Durability
  • True 2-Into-1 Mitered Merge Collector Eliminates Dead Zone for Improved Flow
  • Mandrel-Bent 3" Piping Transitions into 3-1/2" Piping for Increased Flow and Performance
  • Incorporates High-Flow 400 Cell Catalytic Converters for Optimum Flow
  • No Modification to Stock Exhaust System for Hassle-Free Installation

aFe POWER introduces an all new Twisted Steel catted Y-pipe for the 2015-2019 Ford F-150 EcoBoost with V6-3.5L engine. This torque monster Y-pipe is constructed out of 3" to 3-1/2" stainless steel tubing and includes dual 400 CPSI catalytic converters for improved flow giving you added performance. In testing, this system produced a max gain of +8 horsepower and +15 ft. lbs. of torque verified by our in house dyno. This package is a direct bolt-on installation which includes all hardware needed and requires no cutting or drilling to provide a hassle-free installation

True Merge Collector:
Eliminates dead space that can cause turbulence and hinder flow that formed collectors are prone to produce.

Leak-Free Seal:
High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.

Hassle-Free Installation:
The performance y-pipe is designed to fit in the stock location incorporating the OE hangers, flanges and O2 sensor locations.

High Flow Catalytic Converters:
400 CPSI catalytic converters are used for maximum flow.




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