It's a proven, indisputable fact: Dollar for dollar, no other investment will increase power and performance like a set of Doug Thorley Headers!
The proof is in the dyno! Our FJ Cruiser gained 18hp and 26ft. lbs. of torque! ...
THY-515-L-C CERAMIC COATING, 2005-2010, TACOMA/X-RUNNER/FJ CRUISER, 4.0L, 2/4WD, TACOMA, X-RUNNER, LONG-TUBE, OFF-ROAD USE ONLY Our Price:$737.00
Building an off road truck or a short course racer? This is the header for you. It is our famous long tube try y header that gives you unbelievable power and torque. We use our Dyno Jet Dyno while testing, but you will even feel it with your seat of the pants dyno!!!
The proof is in the dyno! Our FJ Cruiser gained 18hp and 26ft. lbs. of torque!
