Doug Thorley Header Kit 05-11 Tacoma / 05-12 FJ,4Runner,Hilux,Prado,4.0L (2/4Wheel)
These ceramic-coated headers from Doug Thorley are one of the easiest ways to extract power from your 2005-2011 4.0L powered Tacoma, 05-12 FJ Cruiser, 4Runner, Hilux, Prado. Polished silver ceramic coating ensures long life, lower under-hood temperatures, and will not discolor like chrome coatings do. 1-1/2" mild steel primaries into a 2-1/4" collector.
APPLICATION SPECIFICS: 2005-2011 Toyota Tacoma / 2005-2012 FJ Cruiser, 4-Runner, Prado, Hilux, 4.0L V6, 2/4WD. Weld-on header outlet, may require professional installation. Requires cutting and welding of factory exhaust in order to retain factory catalytic converters.
Factory gaskets will be re-used.
Dyno tests showed gains of 7 horsepower and 5 LB-FT of torque.
PRIMARY/COLLECTOR: 1 1/2" - 2 1/4"
DRIVE: 2WD & 4WD
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