Exhaust

Retains Factory Sensors Mounting Locations:Retains factory sensor locations for a hassle free installation. These headers also include 400 cell cat...

Header FeaturesHigh Flow Catalytic Converters:Each header comes with 200 CPSI (cell per square inch) metallic high-flow catalytic converters for ma...

aFe POWER's new "Race Only" Twisted Steel Headers deliver an astounding 9 HP and 12 lbs. x ft. TQ, while out flowing the factory exhaust manifolds....

1-5/8" - 2-1/2" 304 Stainless Steel Construction:This system is constructed of 1-5/8" - 2-1/2" mandrel-bent brushed finished 304 stainless steel ...

aFe power introduces an all new Twisted Steel Header for the 2004-2019 Subaru WRX STI with H4-2.5L engine. In testing, this header produced a max...

Long Tube Headers:Air Injection:The headers are designed to retain the factory air injection giving you provisions for all factory emissions equ...

aFe POWER Twisted Steel Headers w/ Cat for the 2006-2011 Honda Civic Si (Coupe/Sedan) with L4-2.0L VTEC engine. This high performance headers del...

aFe POWER Twisted Steel headers for the 2013-2016 Porsche Boxster S/2014-2016 Cayman S (981) with the H6-3.4L engine produced a max gain of +22 H...

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...

Mitered Collectors3-to-1 mitered merge collectors decrease turbulence and increase exhaust velocity. The result is increased horsepower, torque ...

aFe POWER Twisted Steel headers for the 2012-2016 Porsche 911 Carrera S (991) with the H6-3.8L engine. These headers are 100% TIG-welded and cons...

Long Tube Headers: Formed Collectors:3-to-1 mitered collectors decrease turbulence and increases exhaust velocity. The result is increased horsepow...

Dual High Flow Catalytic Converters:Semi-metallic 400 CPSI catalytic converters are used for maximum flow. True Merge Collectors:Eliminates dea...

Construction:These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" ...

Factory Mounting Locations:These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting...

High-Flow Cats:This system includes dual, hi-flow, 400 cell per square inch, stainless steel catalytic converters for maximum flow and performance....

Performance Gains:In-house dyno testing produced gains of up to +14 HP and +16 lbs. x ft. torque. 1-5/8" 304 Stainless Steel Tubing:Mandrel-bent, 1...

Factory Mounting Locations:A direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installation. Formed Collec...

aFe's Twisted Steel headers outflow and outperform the Ford diesel factory exhaust manifolds for a true, bolt-on performance header system. These p...

Factory Mounting Locations:These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting or ...

aFe POWER Twisted Steel down pipe w/ Cat for the BMW 135i (E82/88) or 335i (E90/92/93) models with L6-3.0L (t) N55 engine. This down pipe is desi...

aFe POWER Twisted Steel long tube headers and connection pipe combo for the Jeep Grand Cherokee SRT and Trackhawk (WK2). In testing, this system ...

Construction:These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" ...

Designed to replace the extremely restrictive exhaust manifold, the performance Twisted Steel long-tube headers are constructed of 1-7/8 IN 16 gaug...

Long Tube HeadersFormed Collectors:4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower,...

1-7/8" - 3" 304 Stainless Steel Construction:This system is constructed of 1-7/8" - 3" mandrel-bent 304 stainless steel tubing for maximum strength...

1-7/8" - 3" 304 Stainless Steel Construction:This system is constructed of 1-7/8" - 3" mandrel-bent 304 stainless steel tubing for maximum strength...

Tri-Y Design:Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout...

Formed Collectors:4-to-1 formed collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and imp...

Unleash more torque and horsepower with this Twisted Steel Header for your RAM 1500 HEMI. Optimized, 1-5/8" mandrel bent, 304 stainless-steel tubin...

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 3...

Factory Mounting Locations:These headers are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free install...

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 sta...

1-3/4" to 2" x .120 Wall Stainless Steel:A 1-3/4" head pipe stepped to 2" x .120 wall stainless steel tubing, is used to increase exhaust velocity ...

aFe POWER Twisted Steel header for the Scion FR-S/Subaru BRZ/Toyota 86 with the H4-2.0L engine produced a max gain of +10 HP and +13 ft. lbs. of ...

Long Tube Headers: 304 Stainless Steel Construction:This system is constructed of durable mandrel bent 304 stainless steel tubing for maximum perfo...

Factory Mounting Locations:A direct bolt-on system which requires no cutting or drilling to provide a hassle-free installation. Formed Collectors:4...

 Long Tube Headers: Performance Gains:In-house dyno testing produced gains of up to +15 horsepower and +15 lb.-ft. of torque.* In-house dyno tes...

Add more power to your 2011-2014 F150 Coyote with the 5.0L by installing our Twisted Steel headers. These headers feature 1-5/8" mandrel-bent tuned...

aFe POWER Twisted Steel long tube headers w/ Cat and connection pipes combo for the 2009-2014 (RWD) Dodge Charger R/T with V8-5.7L engine. Improve ...

aFe POWER Twisted Steel long tube catted headers/Connection Pipes combo for the 2011-2014 Dodge Challenger SRT-8 with V8-6.4L engine. "Improve your...

Performance Gains:This system produced gains of up to +24 HP and +17 lbs. x Ft. TQ., as measured on our in-house dyno. 1-7/8" - 2-1/8" - 2-3/4” 3...

Factory Mounting Locations:These headers are a direct bolt-on installation which requires no cutting or drilling to provide a hassle-free installat...

Factory Mounting Locations:These headers retain your stock catalytic converters and are a direct bolt-on installation which requires no cutting or ...

Stainless Steel Construction:The headers are constructed out of heavy duty gauge, mandrel-bent 304 stainless steel tubing with a .120" wall for s...

1-5/8" - 2-1/2" 409 Stainless Steel Construction:This direct fit catalytic converter replacement is constructed of 1-5/8" - 2-1/2" mandrel-bent 409...

Stainless Steel Construction:This system is constructed from durable mandrel-bent stainless steel tubing for maximum performance, corrosion resista...

Stainless Steel Construction:Mandrel bent 1-3/4" 304 stainless steel tubing improves exhaust flow for noticeable torque and horsepower gains. Opt...