Guidelines

Are all Subaru headers the same?

Are all Subaru headers the same?

Yes. All WRX and WRX STI have the same header.

Is a Subaru Legacy GT fast?

Subaru Legacy 2.5 GT Limited Making the trip from 0-60 in 5.8 seconds, the 2.5 GT Limited used a turbocharged flat-4 engine, was available with a manual transmission, and was limited to an overall top speed of 150 miles per hour.

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.

Will STI headers fit a WRX?

The Prosport Header and Up-Pipe fits all 2002-2014 WRX and 2004+ STI. Also fits EJ-motor turbo Legacy/Outback and Forester models.

What’s better equal or unequal headers?

Unequal Length Headers are typically lighter since shorter runners on two cylinders require less material. Equal Length Subaru headers will perform better at mid RPM, with slight loss at higher RPM’s.

Are UEL headers bad for your engine?

Simple question right? One thing that is only lightly touched upon is the fact that UEL headers can cause unequal heat zones on your engine block, due to the difference in heat dissipation caused by the different length pipes.

How fast is a 2005 Subaru Legacy GT?

This Legacy needs 133 feet to stop from 60 mph and only manages a top speed of 43.7 mph through our tight slalom course.

What year is the fastest Subaru STI?

#1 – 2004 Impreza WRX STI WR1 (0-60 4.3s) 316 bhp from the 2.0L flat four at 5800 rpm, and maximum torque of 310 lb ft at 4000 rpm via a six-speed manual gearbox. Petter Solberg won the 2003 World Rally Championship in a rally version of this car and his imprimatur graces the 2004 road-going limited edition version.

What are uneven 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 unequal length headers bad for your engine?

With an unequal length header, gas from the two longer runners will remain in the header as it will take longer to reach the collector. This results in lower cylinder temperature on an equal length header, which can help prevent ringland failure.

Why are unequal length headers bad?

The unequal lengths makes 2 cylinders flow differently then the other 2 cylinders. Ideally you want all 4 flowing the same amount and rate, equal length headers will balance the flow.

Do you need a tune for unequal length headers?

yes, you will need a tune. for any engine modification that is not a catback, retune/adjust the tune in the car.

Can a stock Subaru header be replaced with an aftermarket one?

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. You will need to purchase one separately. It will work with any uppipe that will fit a stock manifold.

Do you need an Invidia header for a Subaru EJ?

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. You will need to purchase one separately.

What’s the difference between factory and Performance Subaru headers?

The factory OEM manifold is designed as a cost-effective component whereas this Killer B Motorsport Performance Header is designed with the goal of maximizing exhaust gas performance and increasing power. The equal length twin-scroll design improves exhaust gas scavenging, increasing the engine’s ability to make power.

What kind of uppipe does a Subaru use?

Introducing the COBB Tuning Stainless Steel Catless Uppipe. These kits are made for the Subaru enthusiast looking to unlock power hidden within the vehicle’s stock exhaust manifold. This beautiful uppipe is built to last for many years by using top quality materials and outstanding craftsmanship.