New Sinister Diesel Tubular Headers

Sinister Diesel tubular headers for the ’03 to’07 6.0L Power Stroke Super Duty and Excursion in dyno tests show an increase in horsepower and torque, improving drivability and towing capability. Sinister Headers add 27hp and 56 ft./lbs. of torque over stock, and when installed on a vehicle with a performance tune, the increase adds 37hp and 99 ft./lbs. of torque. 

Sinister Headers are durable. Built with solid stainless steel CNC flanges and stainless steel tubing, these high flow headers are TIG welded with an EGT bung welded onto both sides. The headers are produced by Sinister and are available in raw, ceramic and heat-wrapped finishes. (888-967-8823/www.SinisterDiesel.com)