Invidia Equal Length Big Tube Headers and Up Pipe Transmission/Drivetrain This design allows super easy

This design allows super easy plumb back or vent to air for the wastegate

If you are using a Water/Methanol Injection System it may greatly increase pump life to use a water/methanol filter

methanol fuels up to M100 and all types of gasoline

Engineered

Invidia Equal Length Big Tube Headers and Up Pipe Transmission/Drivetrain This design allows super easyNote: EJ20 Motors will require EJ25 Oil Pan and Pickup for installation. 06 07 WRX STI and 03 08 Forester XT will need to modify OEM oil cooler assembly. Click here for instructions. INVIDIA BIG TUBE HEADERS This is the Invidia Equal Length Big Piping Exhaust Manifold. This type of manifold is ideal for those of you looking to surpass large horsepower figures that would otherwise be limited by the flow capacity of the factory exhaust manifold. When