Does the 2016 WRX have unequal length 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.
Does the 2015 WRX have equal length headers?
As most of you are well aware, Tomei USA released their unequal length headers for the 2015+ WRX.
Why do Subarus have 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.
Are equal length headers worth it?
Equal length headers will help smoothen out the power band once the car is tuned, even on stock turbo with bolt ons. You can normally see a slightly quicker spool time and lower cylinder temps when comparing to unequal length headers that come stock.
Do you need a tune for unequal length headers?
A: Tuning is not required for the headers, but will be recommended to get the most out of the upgrade.
Should header tubes be the same length?
It is also very important that all header tubes are as close as possible to the same length. The tubes from the rear cylinders are closer to the collectors and need a few extra twists and bends to be as long as those (tubes) at the front of the engine.”
Do you need a tune for aftermarket headers?
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.
Are WRX headers worth it?
Installing WRX exhaust headers is a great investment if you desire a smooth sailing ride. The stock exhaust system may perform satisfactorily, however, if you want your car to realize its ultimate power potential, it is imperative to look at WRX equal length headers.
Does a WRX need a tune for headers?
no, you don’t have to. You’ll see gains from just bolting them on the OTS map and you won’t hurt anything.
What size long tube headers do I need?
Recommended Header Primary Tube Diameter
| Horsepower Output | Primary Diameter |
|---|---|
| 200-325 hp. | 1 1/2 in. |
| 275-425 hp. | 1 5/8 in. |
| 400-500 hp. | 1 3/4 in. or 1 7/8 in. |
| 500 hp. or more | 2 in. or larger |
Does the invidia header come with a uppipe?
Dump tube is included. This Invidia header is a direct replacement for your Subaru turbo EJ series motor’s OEM header. Replacing your stock header with an aftermarket one will increase HP and decrease turbo spool-up time. This Invidia header does not ship with an uppipe.
What kind of headers do I need for my Subaru?
Fits 2002-2012 Subaru Models using Tomioka Racing, GTSPEC, or Tomei equal or unequal length headers using a 2-bolt up-pipe flange. This up-pipe will allow you to achieve superior boost response and control as well as offering a permanent fix to the notorious over-boost problem many Subaru’s have.
Why choose Perrin e4-series headers?
Create a smooth sounding exhaust note while increasing horsepower and torque with the Perrin E4-Series equal length header. This externally gated up-pipe allows you to get every last bit of power out of your stock location turbo. The up-pipe is TIG welded to accept a V-Band 38mm wastegate flange to allow phenomenal boost control.
What is the Borla unequal length header?
The Borla unequal length header for the BRZ & FR-S features straight-through technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla sound, respected by motoring enthusiasts everywhere.