IAG Performance Equal Length 3-Bolt Header & Uppipe for 02-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT
IAG-EXT-1001
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$899.99
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CA WARNING:
Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information go to
www.P65Warnings.ca.gov/motor-vehicle-parts.
IAG's Equal Length Headers are the perfect way to add more performance to your Subaru WRX STI. By implementing a 4-2-1 configuration with equal-length tubing and merged collector, IAG is able to improve your turbo spool up by 300rpm. Due to the free-flowing design of this header, you will see gains across the entire RPM range, as exhaust flow is vastly improved. The IAG headers are fully constructed of 304 stainless steel, including cast stainless flanges! The equal length headers feature a 45mm pipe diameter for maximum flow and performance. The header also features a slip-joint expansion section to accommodate for flex caused by heat cycling. Each IAG header is fully TIG welded for maximum strength.
Each header package includes the IAG 60mm uppipe that utilizes a 3-bolt cast flange and multi-layer gasket between the manifold and uppipe, providing a stable connection without exhaust leaks. The IAG Header & Uppipe adds all of the hardware and high quality, multi-layer gaskets needed for installation including specialty copper exhaust nuts, which are proven to maintain their torque even in the extreme conditions of heat cycling present at the exhaust flange.
Due to the equal length design, these headers will alter the exhaust tone from the distinct "boxer rumble" to a smoother exhaust note.
Package includes:
- (x1) Equal Length Stainless Steel Header
- (x1) 3 Bolt Stainless Steel Uppipe
- (x1) 3 Bolt Uppipe Gasket
- (x3) Uppipe to Manifold Zinc Plated Bolts and Nuts.
- (x5) Uppipe to Turbo Threaded Studs
- (x1) EGT Plug
- (x6) Copper Flange Nuts (Manifold to Head)
- (x2) Manifold to Cylinder Head Gaskets
- (x1) Uppipe to Turbo Gasket
Fitment Notes:
- This header will remove the "Boxer" rumble when installed.
- 2002-05 WRX Requires 2.5L STI Oil Pan
- 2006-07 WRX Requires STI Oil Cooler and STI Oil Pan
- 2004 Forester XT Requires STI Oil Cooler and STI Oil Pan
- 2005-08 Forester XT Requires STI Oil Cooler
- 2005 Legacy GT Requires STI Oil Pan
Installation Instructions
Installation Instructions
Fitment
Fitment
M
Loved it..now I didn’t realize the oil cooler would actually get in my way which is a problem but I did order a perrin brand and hopefully that will fix it but other than that I’m very happy to get this
D
Just finished installing downpipe. Changed the sound dramatically. Love this! Easy to install. Came with all the parts needed.
D
I spent a lot of time thinking about what header I wanted. Glad I chose IAG and glad I went with the equal length. It still sounds like a Subaru but significantly less rumble and under load it sounds like it means business. The install was fairly simple after getting my old rusty heat shields off the stock manifold. The quality is top tier though, I wanted to use JDM brands but with the quality and price I'll be purchasing more from IAG.
T
Quality products came fast and on time
J
Always a pleasure doing business with IAG. Great product, fair pricing, fast shipping. Thanks again!
1
Install was flawless fitment is perfect don't have to wrestle with the manifold to get it in like some other cheap brands. Top quality headers right here.
Noticeable mid range power improvment in mid range, really wakes the motor up. Does tone the rumble down but the motor running more efficiently is definitely worth it. Got the IAG oil pan V2 on the way up next for install.
P
Bolted right up to my 2012 Forester XT. Sounds great with the Q300 turbo back. Same volume as ULH but obviously less gurgle.
F
Great product fits perfect and welds are great definitely can tell this is a high quality product turbo spool is much smoother and pulls great. Only disappointment is it didn’t come with a sticker ?
A
Finally ordered after great deliberation, I AG has a great reputation of service and products. I was informed every step of the process up to delivery. Phone specialist provided some valuable insight on protecting my ELH. Glad I choose IAG.
J
Is this CARB Legal?
This does not carry a CARB certification.
R
No this is an OEM 5 bolt up-pipe. You would need to modify or adapter for that purpose
No this is an OEM 5 bolt up-pipe. You would need to modify or adapter for that purpose
P
Any reason it won't work with a 2012 Forester XT?
This should work on the 2012 FXT
M
Will this work with the IAG oil pan?
Yes this does fit with the IAG oil pan
M
Is the orientation of the 3 bolt flange on the header compatible with a Tomei 3 bolt up-pipe?
It does use the same orientation