These ceramic-coated headers from Doug Thorley are one of the easiest ways to extract power from your 2007-2013 Tundra or Sequoia. Polished silver ceramic coating ensures long life, lower under-hood temperatures, and will not discolor like chrome coatings do. 1-5/8" mild steel primaries into a 2-1/2" collector. Bolts to factory catalytic converters. Incredible gains in low-range horsepower and torque- right where it's needed the most. Dyno results show gains of 29 horsepower and 46 LB-FT of torque below 3500 RPM, perfect for tow vehicles.
HEADER EXIT: DUAL
PRIMARY/COLLECTOR: 1 5/8" - 2 1/2"
DRIVE: 2WD & 4WD
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