This listing is for a brand new set of. If you have any question or require assistance. Getting more air into your engine and more exhaust out is the key to a performance motor.That's where exhaust headers is significant as the first revenue of an exhaust system. Exhaust performance headers manipulate the air flow with the performance-robbing exhaust manifold that came with your car. Headers provide each cylinder with its own mini exhaust pipe, which means exhaust headers prevent interference among cylinders; thus, the back pressure that occurs in common exhaust manifolds. When cylinders don't have to fight with each other to expel their exhaust, they can put more power through the wheels, pushing the vehicle. Combining with a high performance cold air intake, and a cat-back exhaust system, a header system removes all restrictions of your engine, then, it is able to perform at its full potential. TIG Weld & Mandrel-Bent For Maximum Performance. Improve Sound, Horsepower & Torque. Top Quality & Affordable Products. No Instruction, Professional Installation Recommended. Please verify the part received before installation. We are not liable for direct, indirect, incidental, consequential damages, loss of use or any other expenses. Customer fully understands and agrees to accept all responsibilities associated with the use of this product. The item "Performance Exhaust Headers For 03-11 Toyota Tacoma 4-Runner FJ Cruiser 4.0L V6" is in sale since Friday, May 21, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "worldwideperformance" and is located in Houston, Texas. This item can be shipped to North, South, or Latin America, all countries in Europe, Japan, Australia.