aFe

aFe Twisted Steel 3in-3.5in Y-Pipe w/ Cats (Street) 15-20 Ford F150 EcoBoost V6-3.5L (tt)

aFe POWER introduces an all new Twisted Steel catted Y-pipe for the Ford F-150 EcoBoost with V6-3.5L engine. This torque monster Y-pipe is constructed out of 3" to 3-1/2" stainless steel tubing and...

aFe Twisted Steel 3in. 304 SS Street Series Downpipe 16-18 Ford Focus RS I4-2.3L (t)

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"...

aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L

aFe Twisted Steel 409SS Shorty Header 04-10 Ford F-150 V8-5.4L

aFe Twisted Steel Connection Pipes 12-17 Jeep Wrangler V6-3.6L

Additional Performance: Compatible with aFe Power Y-Pipe (48-46208 or 48-46207) to optimize your performance gain. Construction: Constructed of mandrel-bent 3" into 2-1/2" to 2" outlet 409 stainless...

aFe Twisted Steel Down Pipe 16-18 Infiniti Q50 / Q60 V6-3.0L (tt)

Add power and sound to your Infiniti Q50 or Q60 with this Twisted Steel full cat-delete, race series, down-pipe exhaust system which produced up to +16 HP and +23 lbs. x ft. torque gains on our...

aFe Twisted Steel Down Pipe Header RACE ONLY SS-304 12-16 BMW 328/428i L4 2.0L (t) N20

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,...

aFe Twisted Steel Down Pipe Street Series 16-18 Infiniti Q50 / Q60 V6-3.0L (tt)

Add power and sound to your Infiniti Q50 or Q60 with this Twisted Steel upper and lower down-pipe exhaust system which produced up to +16 HP and +23 lbs. x ft. torque gains on our in-house dyno. This...

aFe Twisted Steel Down Pipe w/ Cats 15-16 BMW M3/M4 (F80/82) L6 3.0L (Turbo) S55

If you are looking to improve performance, throttle response, and enhance the sound to your vehicle, aFe POWER Twisted Steel headers is the answer. These headers are designed to increase exhaust...

aFe Twisted Steel Down-Pipe (Race Series) 2016-2017 Cadillac ATS-V V6-3.6L (tt)

In testing, the street down-pipes produced a max gain of +27 horsepower and +50 ft. lbs. of torque verified by our in house dyno. These down-pipes are designed as a "Race" version for added...

aFe Twisted Steel Down-Pipe (Street) 13-16 Cadillac ATS L4-2.0L (t)

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,...

aFe Twisted Steel Down-Pipe (Street) 15-16 Subaru WRX STi H4-2.5L (t)

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...

aFe Twisted Steel Down-Pipe 16-17 Honda Civic Si L4-1.5L (T)

Race Version: This down-pipe was designed as a "Race" version for added performance and a more aggressive sound. Factory Mounting Locations: The down-pipe mount directly to factory mounting...