Doug Thorley Tri-Y Header 1985-1995 Pickup & 4Runner 22R/RE 2WD & 4WD (O2 Sensor Near Catalytic Converter & Side-Feed Air Injection) THY 555-Y-C
Doug Thorley Headers THY-555Y-C long tube tri-y headers deliver the ultimate in performance and gas mileage for your 1985-1995 Toyota Pickup Truck, 4-Runner. Doug Thorley Headers is the originator of the tri-y header design, which is the most efficient way to increase horsepower and torque over a broad RPM range, and more importantly the range where you use it most. That better exhaust flow produces noticeable gains in horsepower and torque output, while increasing fuel efficiency.
The headers are manufactured using heavy duty 14GA steel tubing, and super flat 3/8 inch head flanges. They are then silver ceramic coated inside and out, which looks great, drastically reduces under-hood temperatures, and creates a strong barrier to protect the headers from the environment.
APPLICATION SPECIFICS:1985-1995 Toyota Pickup Truck, 4-Runner, 22R/RE motor, o2 sensor, vertical air injection, manual transmission only, 2WD/4WD
- DRIVE: 2WD & 4WD
- PRIMARY/COLLECTOR: 1 1/2" - 2 1/4"
- HEADER EXIT: DRIVER
- CARB E.O. # D-540-5
- Includes Gaskets & Studs
- Does not fit automatic transmission.
- Fits 5-speed models w/ hydraulic clutch only.
- For Legality under CARB regulations the connector/Y-pipe assembly must be used on vehicles originally equipped with catalytic converter.
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