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HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
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Load image into Gallery viewer, HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
Load image into Gallery viewer, HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
Load image into Gallery viewer, HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
Load image into Gallery viewer, HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
Load image into Gallery viewer, HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002

HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002

2 sold in last 8 hours
HKS
HKS14019-AF002
Out of stock
Headers & Manifolds
$971.81 $844.14
SUBARU IMPREZA 2.5i GT 4D EJ255 2009 - 2010 SUBARU IMPREZA 2.5i GT 5D EJ255 2009 - 2010 SUBARU IMPREZA WRX STI 5D EJ257 2008 - 2014 SUBARU IMPREZA WRX...

HKS 2004-07 Subarau WRX STI EJ257 Exhaust Manifold - 1419-RF001
HKS 2004-07 Subarau WRX STI EJ257 Exhaust Manifold - 1419-RF001
$1,886.91 $1,687.12
STAINLESS WORKS Headers 1-7/8 High-Flow Cats Jeep Grand Cherokee TrackHawk 2018
STAINLESS WORKS Headers 1-7/8 High-Flow Cats Jeep Grand Cherokee TrackHawk 2018
$5,515.30 $3,309.18
HKS 2004-21 Subaru WRX STI EJ255 / EJ257 Exhaust Manifold - 14019-AF002
Description
  • SUBARU IMPREZA 2.5i GT 4D EJ255 2009 - 2010
  • SUBARU IMPREZA 2.5i GT 5D EJ255 2009 - 2010
  • SUBARU IMPREZA WRX STI 5D EJ257 2008 - 2014
  • SUBARU IMPREZA WRX 5D EJ255 2008 - 2014
  • UBARU IMPREZA WRX STI 4D EJ257 2011 - 2014
  • UBARU WRX STI 4D EJ257 2015 - 2021
  • SUBARU IMPREZA WRX STI 4D EJ257 2004 - 2007
  • SUBARU IMPREZA WRX 4D EJ255 2011 - 2014

Reduced pressure with Bypass Pipe (Racing Header)

When strong vacuum is created, to the contrary, there also is strong pressure. Cylinder pipes are connected with Bypass Pipe to reduce pressure as minimum as possible. Rhythm of "Pressure" and "Vacuum" inside manifold is controlled. Besides, number of bypass pipe and positions are designed to optimize for each engine characteristics. It enables to reduce pressure without change of vacuum. Therefore, there is no drop of torque. The engine will have Inertia Exhaust Gas Efficiency (Efficiency to increase horsepower of NA engine) and flat torque characteristics, which enables easy drivability.

Advantage of 4-2-1 Straight Junction (Super Header)

HKS selected 4-2-1 junction design that has best result for street use from study of various data about a lot of engine characteristics and exhaust gas pulse. 4-1 Junction type has shorter length to the junction part and it is better for competition purpose that require performance only at high rpm range. But it has too less torque at low rpm range for street driving. HKS' Straight Junction Design accelerates exhaust gas with exhaust gas pressure and it pulls out combustion gas. Exhaust gas efficiency is improved with the design.

Turbine performance is affected by Exhaust Manifold.

Shape, diameter of pipes and production quality of exhaust manifold between engine and turbine affect performance of turbine. HKS Exhaust Manifolds were developed with know-how and data from long time development experience of turbo technologies. Diameter of pipes and design of bending are designed for each engine performance and displacement. Welding portion between flange and pipe is flattened to reduce friction of exhaust gas. As a result, response of turbocharger at middle and high rpm range is improved. Both torque and horsepower are also increased.

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Testimonials

Looks like I get to be the first review for these guys. Let me start out by saying that I have had 3 other cars of a similar caliber to my GTR serviced/worked on and upgrades installed at other shops and none took the pride and level of detail that these guys did. I wish I could see all the welds on the downpipes and exhaust because it looked like artwork. Their fabricator made sure to send me daily updates and pictures which was also a big deal to me. For being an out of state experience it made it seem more like they were local to me and that I had known them for longer.

James Lowe

Took the leap of faith on buying a set of their R35 intakes and downpipes because the price was half of anyone elses plus their car hauls a** at the track. Install went smooth and the power seems to be even better than advertised. Cant wait to get tuned in a few weeks. Their shelf tune honestly has to be 600+ hp as I pulled on a Hellcat last night. I see these guys and gals going a long ways if they can get out there and advertise. Customer service is on point paired with BIGGG savings for the winning combo.

Luca Harris

Bought a Motec and had these guys build the harness and set it up fully. Track car that received the level of attention and detail of a show car while here. Made me feel at home every time I popped in for a visit and always offered to buy me lunch/dinner. I don’t see me shopping anywhere else as they make you feel like your family.

Richard Westbrook

Took the leap of faith on buying a set of their R35 intakes and downpipes because the price was half of anyone elses plus their car hauls a** at the track. Install went smooth and the power seems to be even better than advertised. Cant wait to get tuned in a few weeks. Their shelf tune honestly has to be 600+ hp as I pulled on a Hellcat last night. I see these guys and gals going a long ways if they can get out there and advertise. Customer service is on point paired with BIGGG savings for the winning combo.

Luca Harris

FAQs

sidebar:

We are open Monday-Friday from 8am-6pm EST

Yes, customers located in and around the the Piedmont area are welcome to pick up their items from our retail location during normal business hours. Our address is:
1514 Holebrook
St Suites D-F
Greensboro, NC 27403

Elite Race Fab offers free ground shipping & handling to our retail customers within the lower 48 contiguous United States on most orders totaling $159.99 and higher! Orders under $159.99 will be subject to a nominal $5 Flat shipping charge. Some exceptions and/or exclusions apply, in those scenarios you will be advised of any additional charges in your shopping cart.
In regards to expedited and international shipping each order will need to be quoted on a case by case basis. You can obtain a quote two ways:
- From your shopping cart select "Request a Quote" prior to placing your order. We will review your proposed order and promptly respond with shipping estimates.
- Complete your order ahead of time indicating either expedited or international shipping during the checkout process. We will promptly determine shipping rates for your order and email you for approval and additional payment.
-Give us a call and we can ensure your item is shipped right then, to ensure you have it in time for your deadline.

We have been committed to offering all of our customers the lowest pricing throughout our website day in and day out. We value your business so much that we go a step further than our competitors. We use a third party software that proactively monitors all our competitor's websites/pricing so that we can make adjustments accordingly if needed to have the lowest prices. Thats right, no need to spend hours searching for the lowest prices, as ours will be the lowest.

As far as price matching, we dont want to write a check we cant cash, but we certainly want to earn your business. With that said, we will go above and beyond to match our competitor's pricing when it is needed. Simply email us, click the live contact button, or give us a call and be sure to have a link to our competitor's site and please factor in any shipping and handling their website will be charging. We will then ensure you get the lowest price, and either match or beat their pricing.

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