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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...

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...

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...

Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement for the 1996-1998 Jeep Grand Cherokee (ZJ) with I6-4.0L engine. This cat replacement is constructed of 100% MIG welded stainless steel for strength and durability. This unit...

aFe Control is proud to release the PFADT Series, Poly Control Arm Bushing Kit, for the C5 & C6 Corvette. OE factory bushings are known to deflect more than a ¼ inch in turns which equates to almost 1 degree of lost camber and...

aFe Control is proud to release the PFADT Series, Poly Control Arm Bushing Kit, for the C6 Z06Corvette. OE factory bushings are known to deflect more than a ¼ inch in turns which equates to almost 1 degree of lost camber and unpredictable handling....

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 features 2 x 2" into 1 x 2 1/2"...

The aFe MACH Force XP Jeep Loop Delete Down Pipe is designed to eliminate the stock loop section after the catalytic converter. This down pipe accepts either the stock "Y-Pipe" or aFe MACH Force XP "Y-Pipe". Specifically designed and engineered to accept long arm...

The aFe Mach Force XP Loop Delete/Y-Pipe combo package is engineered to replace the stock loop section and y-pipe to accommodate long arm travel lift kits that interfere with the OE loop and Y-Pipe. This product is constructed of mandrel bent, 2"/2.5" 409 stainless...

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 increase usable torque. This means...

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, 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, improves throttle...

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 response and overall...

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 result is unrestricted exhaust...

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" 16-gauge 304 stainless steel tubing construction for unrestrictive flow...

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...

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 flanges...

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 outside...

Twisted Steel 1-3/4 IN 304 Stainless Headers w/ Raw Finish Dodge Challenger 15-23 V8-6.2L (sc)/6.4L HEMIThis Part Fits: Year Make Model Submodel 2016 Dodge Challenger 392 Hemi Scat Pack Shaker 2017-2019 Dodge Challenger R/T 392 2016-2023 Dodge Challenger R/T Scat Pack 2021 Dodge Challenger...

Twisted Steel 1-3/4 IN 304 Stainless Headers w/ Titanium Coat Finish Dodge Challenger 15-23 V8-6.2L (sc)/6.4L HEMIThis Part Fits: Year Make Model Submodel 2016 Dodge Challenger 392 Hemi Scat Pack Shaker 2017-2019 Dodge Challenger R/T 392 2016-2023 Dodge Challenger R/T Scat Pack 2021 Dodge...

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. Leak-Free Seal: High quality 3/8"...

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 with all factory equipment including AC lines, heat...

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, brushed finish 304 stainless steel tubing and are 100%...

Add dyno-proven power to your Ford Focus RS with this Twisted Steel down-pipe which produced up to +10 horsepower and +14 lbs. x ft. torque max gains as measured on our in-house dyno. 3" mandrel-bent, 304 stainless steel tubing and high flow, 400 CPSI...

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 strength and durability. Factory style laser cut machined mild...

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

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 stainless...

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. Leak-Free Seal: High quality 3/8"...

100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the powerband. High grade stainless tubing with a uniform...

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. Optimized Tube Length Pulse Control Technology Delivers Improved Flow and Performance 4-to-1 Mitered...