Increased horsepower and torque for all 50 states.
Bolt on extra horsepower and torque with 50-state smog legal JBA Cat4ward® headers. These headers are designed to last with a 3/8" thick laser-cut flanges, smooth mandrel-bent tubing, and JBA's patented FireconeTM collectors. Available in either 14-gauge steel or 409 stainless steel, these headers are offered in your choice of chrome plated or high-temperature silver ceramic finishes for most applications. JBA includes high-quality mounting hardware and instructions, and best of all, most applications simply bolt on without any additional exhaust modifications.
Note: These headers are for the 2007-2009 4.0L FJ ONLY. They WILL NOT work on the 2010 FJ. These are a special order item and are not eligible for return or refund.
- Increased horsepower and torque throughout RPM
- Improved throttle response
- Ceramic coating reduces under-hood temperature
- Improved fuel economy
- Improved engine compartment aesthetics
|Primary Tube Diam (in):
|Flange Thickness (in):
||Sold as a pair
Shipping information: 20x11x09 / 16 lbs