Do you need a tune for headers on a WRX?

Do you need a tune for headers on a WRX?

Registered. yes, you will need a tune.

Do WRX come with UEL headers?

Unequal Length Header The factory header for most US market turbo EJ20 / EJ25 Subarus including the WRX, STI, FXT (Forester XT), LGT (Legacy GT), Baja Turbo, and Outback XT are unequal length. This includes the current 2.5L STI, but does not include the FA20 powered WRX / FXT.

Do you need a tune for UEL headers WRX?

A: Tuning is not required with these headers, but you will gain more power with a custom tune.

Why does Subaru use unequal length headers?

Unequal Length Headers are typically lighter since shorter runners on two cylinders require less material. Two shorter runners also means less engine RPM required to get exhaust gas to the turbo, so you’ll see quicker turbo response with a car running UEL Subaru Headers.

Can you install headers without a tune?

And for aftermarket headers, the answer is yes, you should tune your car when installing a new exhaust header. Major performance mods like a header can significantly alter important variables like air/fuel ratio. Tune is required to ensure you get the most out of the header without future problems.

Can you put unequal length headers on any car?

Most cars have unequal length headers. Especially anything FWD. The only thing is, most cars you would theoretically want equal length.

Why are unequal length headers bad?

Generally speaking, unequal length headers will give a boxer engine a sound more like a propeller airplane or a motorcycle, or even something like a V8 engine. Equal length headers will sound more like a conventional inline four cylinder engine.

Do you need to tune after headers?

Why do Subaru engines rumble?

The Subaru boxer is of the horizontally-opposed flat design. That’s only part of what gives it that unique sound, however, as it’s more about the design of the headers. The 2.5-liter Subaru engine makes use of something called unequal length headers, which are exactly what they sound like.

Do Tomei headers restrict air flow?

Tomei headers do not restrict air flow resulting in an increase in power and efficiency. The turbo side of the OEM headers severely restricts the flow of the exhaust gas, resulting in loss of power and efficiency. The collector on the Tomei headers were made using the lost wax method.

What’s in the box with Tomei headers?

What’s In The Box? Every flaw of the OEM header has been addressed and improvised during the development of the Tomei header, resulting in power gains you can feel throughout the powerband of the car. The OEM headers restrict air flow resulting in loss of power and efficiency.

Are there any unequal length headers for Subaru WRX?

Expreme Series Unequal Length Header for 2015 – 2021 Subaru WRX by Tomei Every flaw of the OEM header has been addressed and improvised during the development of the Tomei header, resulting in power gains you can feel throughout the powerband of the car. The OEM headers restrict air flow resulting in loss of power and efficiency.

Are these headers for 2017 WRX/CVT worth it?

Fitted these headers to 2017 WRX/ CVT, which already had modest power gains from tune & has resonated exhaust… Read more These headers are well worth it!