Headers

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 304 stainless steel, including cast stainless flanges! The unequal length...

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...

The Tomei EL Header for EJ25 turbo models features a isometric 4-2-1 exhaust manifold designed to extract the most power at high RPM. The header includes ultra-high quality lost wax cast exhaust flanges that are TIG welded to the SUS304 stainless steel...

This system is constructed of 1-5/8 IN - 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a catalytic converter which is less restrictive than the factory converter providing maximum flow. Utilizing factory...

This system is constructed of 1-5/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow. Factory style...

HKS SUBARU GDB EJ207 Stainless Steel Exhaust Manifold

aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy

Increased performance through efficient flow…Greater durability through high quality, T-304 austenitic stainless steel, material and a unique, stiffened, flex joint.Each header is built from premium T-304 austenitic stainless steel, superior to...

Killer B Equal Length 4-1 Holy Header EJ Series

Killer B Equal Length 4-1 Holy Header EJ Series Do It Yourself

Killer B Equal Length 4-1 Holy Header EJ Series 2-Bolt

PERRIN 02+ WRX / 04+ STi Equal Length Header 1.625 inch Primaries (Big Tube)

PERRIN's E4-Series Equal Length Header comes with collectors that have been designed for better exhaust flow while allowing the headers to be constructed much more accurately. The improved exhaust flow and more precise construction increases power and...

The Tomei UEL Header for EJ20 and EJ25 turbo models features a highly efficient 4-1 exhaust manifold design. The header includes ultra-high quality lost wax cast exhaust flanges that are TIG welded to the SUS304 stainless steel mandrel-bent tubing. The...