Headers & Manifolds

Emissions Disclaimer: This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles.Installation Instructions

Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner...

This system produced gains of up to +18 HP and +25 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined 304...

aFe's Twisted Steel headers outflow and outperform the Ford diesel factory exhaust manifolds for a true, bolt-on performance header system. These precision-designed, hand-crafted headers are mandrel-bent from 1-3/4" into 2" heavy duty gauge .120" wall,...

Bolt on diesel power with aFe's BladeRunner exhaust manifolds and up-pipe package for your 08-10 6.4L Powerstroke. This combo package reduces pressure loss to your turbocharger for increased performance and improve throttle response and is compatible...

Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The up-pipes utilizes heavy duty 2" flex tubes with internal inner liner...

This system produced gains of up to +9 HP and +14 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This coating combination reduces the...

This system produced gains of up to +9 HP and +14 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined...

This system produced gains of up to +11 HP and +19 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8 IN - 2-1/4 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut...

Unleash more torque and horsepower with this Twisted Steel Header for your RAM 1500 HEMI. Optimized, 1-5/8" mandrel bent, 304 stainless-steel tubing improves exhaust flow for quicker throttle response and overall performance. Mandrel bent, 1-5/8"...

Unleash more torque and horsepower from your Dodge or Chrysler 5.7L with this Twisted Steel series header. Made with 16-gauge 1-3/4" mandrel bent 304 stainless steel tubing and use 4 to 1 mitered merge collectors to eliminate flow-block turbulence. The...

Unleash torque and horsepower with this Twisted Steel series header for your 24 valve Cummins. 1-3/4" head pipes stepped to 2" mandrel bent 304 stainless steel tubing and a 1/2" laser cut T-3 divided flange builds quicker turbo boost, improves throttle...

Unleash torque and horsepower with this Twisted Steel series header for your Dodge Diesel. 1-3/4" head pipes stepped to 2" x .120 wall, mandrel bent 304 stainless steel tubing and a 1/2" laser cut T-4 divided diesel flange builds quicker turbo boost,...

Unleash torque and horsepower with this Twisted Steel series header for your Dodge Diesel. 1-3/4" head pipes stepped to 2" x .120 wall, mandrel bent 304 stainless steel tubing and a 1/2" laser cut T-4 divided diesel flange builds quicker turbo boost,...

Constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, and corrosion resistant to eliminate cracking. A 1-3/4" head pipe stepped to 2" x .120 wall stainless steel tubing, is used to increase exhaust velocity and...