aFe Power's New Twisted Steel Headers deliver +6 HP and +6 lbs. x ft. torque over the factory exhaust manifolds. The headers are constructed of 1-1/2" 14-gauge 409 stainless steel tubing with 3/8" thick flanges...

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...

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...

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...

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...

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"...

Eliminate the costly exhaust manifold cracks prevalent in the factory exhaust manifold. The aFe Bladerunner exhaust manifold for the popular 5.9L Dodge Ram Cummins sets the new standard. Constructed out of cast 304 stainless steel...

The aFe Mach Force XP Jeep "Y-pipe" is designed to connect the stock converter with either the stock exhaust or aFes Mach FORCE XP exhaust system. Designed also to accommodate aftermarket lift kits, this y-pipe...

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow...

The new Twisted Steel performance header from aFe Power is redefining the header industry with new pulse control technology. aFe engineers have designed this header using optimum tube lengths and mitered collectors for maximum flow...

This system is constructed of 2-1/4" - 2-1/2" mandrel-bent 409 stainless steel tubing for maximum strength and durability. Includes dual high flow catalytic converters which are less restrictive than the factory converters providing maximum flow....

aFe POWER's Twisted Steel Headers are constructed of 1-5/8" 16-gauge 409 stainless steel tubing with 3/8" thick CNC Laser cut flanges to ensure a leak-free seal. To eliminate dead space that can cause turbulence and...

If you are looking to improve performance, throttle response, and enhance the sound to your vehicle, aFe POWER Twisted Steel Headers are the answer. These increased tubing diameter and mandrel bends increase exhaust velocity which...

This system is constructed of 1-3/4 IN - 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined stainless steel flanges are used used for a secure leak-free...

This system is constructed of 1-7/8 IN - 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild steel flanges are used used for a secure leak-free...

This system produced gains of up to +6 HP and +7 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum...

This system produced gains of up to +6 HP and +7 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent stainless steel tubing for maximum strength...

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.This Part Fits: Year Make...

This system produced gains of up to +20 HP and +23 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum...

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...