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Twisted Steel Headers & Y-Pipe (Street Series)

Toyota Tacoma 12-15 V6-4.0L (2WD/4WD)
Part Number: 48-46003-1YC

MSRP: $2,048.71


  • Dyno-Proven Gains up to +22 HP & +29 Lbs. x Ft. TQ
  • Mandrel-Bent Stainless Steel Tubing for Unrestricted Flow
  • 400 CPSI Catalytic Converters for Better Flow
  • Incorporates Mitered Merge Collectors to Eliminate Dead Zones and Improve Flow
  • Retains Factory Air Injection
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Header Features
Mitered Collectors:
3-to-1 mitered collectors decrease turbulence and increase exhaust velocity. The result is increased horsepower, torque and improved throttle response.

Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.

Air Injection:
The header was designed to retain the factory air injection giving you provisions for all factory emissions equipment.

Y-Pipe Features
Massive Y-Pipe:

The massive y-pipe is designed using a merge collector that utilizes a 2-1/2" into 3" transition for optimum flow while removing turbulences.

True Merge Collector:
A 2-to-1 merge collector eliminates dead space that can cause turbulence and hinder flow that formed collectors are prone to produce.

Retain Factory Sensors Mounting Locations:
aFe has designed this system to retain all your factory sensors for a hassle free installation. These headers also include 400 CPSI catalytic converters that are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installation.

Emissions Disclaimer:
This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.

aFe headers and exhaust are engineered and manufactured in our Corona, California manufacturing facility.


Vehicle Applications

Year Make Model SubModel Engine Fuel
2012-2015Toyota Tacoma V6 4.0L Gas
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MSRP: $2,048.71

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