CONCERNS ABOUT FITMENT?

Stainless Steel Construction: The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. The up-pipes and down-pipe are constructed out of 2" and 3" mandrel-bent 304 brush finished stainless steel tubing.Optimized Tube...

This system produced gains of up to +10 HP and +10 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" - 2-1/8" to 2-1/4" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Factory style laser...

This system produced gains of up to +24 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" - 2-1/8"- 2-3/4” mandrel-bent 304 stainless steel tubing for maximum strength, durability, and corrosion resistance. Tri-Y designed...

This system produced gains of up to +24 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" - 2-1/8"- 2-3/4” mandrel-bent 304 stainless steel tubing for maximum strength, durability, and corrosion resistance. Tri-Y designed...

This system produced gains of up to +24 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-7/8" - 2-1/8"- 2-3/4” mandrel-bent 304 stainless steel tubing for maximum strength, durability, and corrosion resistance. Tri-Y designed...

This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow. Factory style laser cut machined flanges are used used...

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 industry: a lack of choice for a high performance...

aFe POWER Twisted Steel Long Tube Headers are constructed of near equal length 1-1/2 IN 16-gauge 304 stainless steel tubing with thick flanges to ensure a leak free seal. To eliminate dead space that can cause turbulence and hinder flow that formed collectors are...

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 industry: a lack of choice for a high performance...

Long Tube Headers: Formed Collectors: 3-to-1 mitered collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response. Optimized Tube Lengths: Tube lengths are optimized for true pulse control technology which improves flow and performance. 3/8" Laser-Cut Flanges:...

This system is constructed of 2-1/2 IN mandrel-bent brushed finished 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter which are less restrictive than the factory converter providing maximum flow. Factory style laser cut machined 304 stainless...

Add dyno-proven power to your Mini Cooper with this Twisted Steel down-pipe which produced up to +16 horsepower and +20 lbs. x ft. torque max gains as measured on our in-house dyno. 3" to 2-3/4" mandrel-bent, 304 stainless steel tubing and high flow, 400...

Upgrade your Z4 M Coupe exhaust with the Twisted Steel 2 ½" race pipe. Mandrel bent from 304 stainless steel tubing for maximum exhaust flow and corrosion resistance, the mitered merge "X" pipe eliminates drone and maximize scavenging. This system delivers gains of up...

This system produced gains of up to +14 HP and +6 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 3" mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter...

This system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes high flow catalytic converters which are less restrictive than the factory converter providing maximum flow. Utilizing factory style hangers and machined flange this system is designed...

TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Brushed 304 SS Construction: This front race-pipe is constructed of durable mandrel bent brushed 304 stainl ess steel tubing for maximum performance, corrosion resistance...

Twisted Steel Long Tube Header 304 Stainless Steel Subaru Impreza WRX/STi/Legacy 02-21 H4-2.0L (t)/2.5L (t) Constructed from 1-5/8" - 2-1/2" Mandrel-Bent Brushed Finished 304 Stainless Steel Tubing Works with Factory Exhaust System with No Modifications Necessary Optimized Tube Lengths for Improve Flow and Performance...

This system is constructed of 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a high flow catalytic converter which are less restrictive than the factory converter providing maximum flow. Factory style laser cut flanges are used used for a...

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 and durability. This coating combination reduces the outside surface...

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 strength and durability. A combination of Factory style laser...

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 seal. A mitered merge collector is used to decrease...

This system is constructed of 1-7/8 IN - 3 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This coating combination reduces the outside surface temperature of headers and reduces engine compartment temperatures by as much as 46% vs. non-coated headers. Factory...

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 increases usable torque, resulting in a more aggressive throttle...

Add more power to you 2011-2014 F150 ?Coyote? with V8-5.0L engine by installing our new ?Race Only? Twisted Steel? headers. These headers feature a 1-5/8? mandrel-bent tuned length primary tubes that will out-flow the stock cast manifolds by 46%. These headers are built using...

This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined mild...

This system produced gains of up to +14 HP and +15 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Titanium Ceramic Coat finish reduces outside...

This system is constructed of 1-5/8 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability. Factory style laser cut machined flanges are used used for a secure leak-free seal. Utilizing factory flanges this system is designed to fit in the stock locations...

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 and velocity for power delivery across the entire power...

The 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 and velocity for power delivery across the entire power band....

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 hinder flow that formed s are prone to produce,...