Doug Thorley Header Kit - 1995-2004 Tacoma, SRunner, 4Runner, 3.4 2WD/4WD
Doug Thorley Headers THY-507-C shortie headers deliver the ultimate in performance and gas mileage for your 1995-2004 Toyota Tacoma, 4-Runner, Tundra. Shortie headers are designed to replace the factory stock exhaust manifolds with a performance component that flows much better than stock. That better exhaust flow produces noticeable gains in horsepower and torque output, while increasing fuel efficiency.
Dyno tests showed gains of 10 horsepower and 11 LB-FT of torque. Most applications are 50-state legal.
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.
1995-2004 Toyota Tacoma, 4-Runner, Tundra / 3.4L V6 without external EGR tube, 2WD & 4WD.
(see 1046060 for header with external EGR tube).
CARB E.O. #: D-540-6
Contact our Tech Support Line for further information at 928-855-6341.
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