This Atlas Cat-Back exhaust system is constructed of 4 in. mandrel-bent steel. Comes with Tubing; OE Style bayonet hangers; band clamps and all hardware necessary for a hassle free installation. The smooth curves and increased...

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...

The aFe Bladerunner Turbo Inlet Manifold increases performance to your Duramax by 23hp and 57lbs x ft. torque while increasing air flow 73-percent over the factory turbo inlet. The Bladerunner turbo inlet manifold also improves...

Bolt on instant performance by upgrading or replacing your restrictive, cracked factory manifold with this BladeRunner port matched manifold. Designed to outflow the stock manifold by 12% for improved throttle response, the BladeRunner manifold has...

The new ATLAS exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4-inch aluminized steel tubing for maximum flow, increased horsepower, increased torque and lower EGTs. The...

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket...

aFe Power is pleased to announce the release of the new ductile iron BladeRunner exhaust manifold for the 03-07 Dodge RAM Diesel Trucks L6-5.9L (td). In recent testing, this exhaust manifold outflowed the factory exhaust...

The Bladerunner intake manifold represents the next generation in intake manifold design. The Bladerunner intake manifold uses a unique MDV (Multiple Directional Vane) technology to guide the air through the manifold maximizing air flow. Constructed...