We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
IAG Unequal Length 3-Bolt Header & Up Pipe (06-14 WRX, 04-21 STI, 05-09 LGT, 04-08 FXT)
$849.99
SKU
IAG-EXT-1000
The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic “Boxer Rumble.” The headers are fully constructed of T304 stainless steel, including cast stainless flanges! The unequal length headers feature a 45mm inner pipe diameter for maximum flow and performance. 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 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.
Package Includes
- (x1) Unequal Length Header
- (x1) 3 Bolt 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 Subaru WRX
- 2006-07 WRX Requires STI Oil Cooler and STI Oil Pan
Vehicle Fitment
- 2004 - 2021 Subaru STI
- 2006 - 2014 Subaru WRX
- 2005 - 2009 Subaru Legacy GT
- 2004 - 2008 Subaru Forester XT
WARNING: Due to a change in the Colorado state laws regarding catalytic converters we can no longer sell or deliver this product into Colorado.
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
| SKU | IAG-EXT-1000 |
|---|---|
| Brand | IAG Performance |
