Are Subaru boxer engines noisy?
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Subaru utilizes the boxer engine in their full lineup of vehicles. One of the most common signs of a developing issue is an acute ticking noise coming from the engine compartment. If you hear this ticking sound from your Subaru, it may be one of the three following issues.
Why is the boxer engine so loud?
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.
Are Subaru engines noisy?

The engine and road noise are a common characteristic of Subaru vehicles. This has to do with the engine design and the all-wheel drive system and I would guess a general lack on noise cancelling insulation. Not that you need a new car but the last Subaru I drove was much more refined and quieter than older models.
Why is my Subaru so loud when I start it?
A failing or dirty sensor can send incorrect data, resulting in too much or too little fuel going to the engine. This can result in a rough running engine that is louder than normal. Bad or Dirty Spark Plugs: Bad spark plugs can cause the vehicle to misfire which will make it run louder.

Why do Subaru engines tick?
Exhaust Leak Due to the unique layout of the boxer engine, the exhaust pipes coming off the manifold are exposed to excessive temperatures. These temperatures can break down the metal materials quickly, resulting in an exhaust leak. The exhaust coming out of the resulting holes often makes a rhythmic ticking noise.
Why does my Subaru sound like an airplane?
When the seal is broken or damaged, the wheel bearing will fail and start making noise. Many describe this as an airplane noise, but others might say it is like driving over a rumble strip on the side of the highway or the whirring of a helicopter propeller.
What Subarus had the ej25?
The second generation of the EJ255 is used in the 2006-2008 WRX, the 2007+ Legacy, and the 2006+ Forester. It uses a slightly different cylinder block and cylinder heads. JDM Forester STI used VF41 turbocharger, WRX III – VF52 (0.92 bars). The Legacy GT up to 2009 used VH46 (0.96 bars, 250 hp at 6000 rpm).
Why is my Subaru making a ticking noise when accelerating?
A ticking noise when accelerating can be caused by many things. It is important to find the root of the problem as there is a risk that the engine will be damaged, making the repair bill greater than it would have been originally. In most cases, the cause is oil pressure, exhaust leaks, spark plugs, or the valvetrain.
Why does my car sound like a jet engine when I accelerate?
It’s possible that you have a leak in the exhaust of your car if it sounds like a jet engine in stop and start mode. Loud noises coming from the engine can be made louder by a hole in the exhaust system. The diesel engine’s muffler and DPF are faulty.
Why does my car sound like a race car when I accelerate?
If you notice any rattling or whining sounds while you are accelerating, this could mean that your camshaft (timing) belt is poorly aligned or slipping. The timing belt synchronizes the turning of the crankshaft so that the engine’s valves open and close at the proper time.
Is the EJ25 reliable?
As is the case with most performance engines, the Subaru EJ25 is nowhere near perfect and has its fair share of issues. With all of its imperfections studied and properly sorted out however, the EJ25 can prove to be a reliable engine to enjoy performance driving with.
What is the largest Subaru boxer engine?
The largest SUBARU BOXER engine available, this 3.6-liter 6-cylinder serves up 256 horsepower and 247 lb.-ft. of torque. Further information on the Subaru 3.6 is very scarce, unless you’re willing to peruse pages and pages of NAISOC forum threads. Here is what we dug up via a Wikipedia page on Subaru engines regarding the current Subaru 3.6,
What makes the new boxer engine so special?
The classic BOXER sound can still be felt in all its glory from within the cockpit, in a design that has been engineered to maximize the fun that the BOXER delivers. To meet the constantly changing needs, a completely new BOXER engine was engineered from the ground up, with new enhancements across the board being implemented.
Why buy a Subaru boxer?
Both of these aspects combine to deliver a safer, more stable, and ultimately, more enjoyable experience on the road. The new generation BOXER engine, FA20, now comes mounted with Subaru’s first direct injection turbo.