What exhaust is made out of titanium for WRX STI?

The Cobb Cat-Back Exhaust System for Subaru WRX / STI, made of high quality grade 4 Titanium, is the perfect blend of power, beauty and sound!

Is the STI performance exhaust worth it?

The STI Performance Exhaust is recommended for all high-performance driving as it provides a more complete flow for maximum power gains. Additionally, the 2.5″ piping has a larger diameter for greater flow and less backpressure than stock to maximize power.

Does the STI exhaust add horsepower?

Advantage of the STI Performance Exhaust System You can improve horsepower and torque without even touching the engine block. Last but not least, this STI exhaust improvement can enhance the volume and tone of your vehicle’s natural engine sound.

What does the STI performance exhaust do?

Mounted behind the catalytic converter, the STI Performance Exhaust System provides a smooth mandrel bend construction to help reduce exhaust flow restrictions, allowing the engine to “breathe” more efficiently.

Is the STI performance exhaust worth it on WRX?

Here’s why they are worth the price. The STI Performance Catback exhaust has four benefits over the stock exhaust system. It will give the stock 2018 WRX a different appearance, an enhanced exhaust note, stainless steel quality, and gives it a bump in power.

Does the STI performance exhaust on WRX?

What is SPT Subaru?

SPT (Subaru Performance Tuning) is a genuine Subaru performance parts. It is similar concept has Toyota & TRD, Nissan & Nismo, and BMW & M Performance. From the image above you can see that Standard OEM WRX/STI midpipe has and large Y-style piping, and SPT has 2 flanges instead of the Y-style piping design.

Can you make a WRX as fast as an STI?

With simple bolt-on parts (bolt-on meaning you don’t have to take apart the actual block or heads), we can increase the horsepower of the WRX (either standard or STI) to over 400. This will make the car faster than nearly anything on the road.

Who makes SPT exhaust?

SPT (Subaru Performance Tuning) is a genuine Subaru performance parts. It is similar concept has Toyota & TRD, Nissan & Nismo, and BMW & M Performance.

Does a straight pipe add horsepower?

The primary advantage of equipping a straight pipe exhaust to a performance engine is that you’ll see a definite boost in your horsepower. This result occurs because the system reduces the amount of backpressure from the engine, allowing the exhaust gases to form with greater freedom.

Will no back pressure hurt my engine?

As Jason explains, a restrictive exhaust flow that builds up back pressure is only hurting the power your vehicle can deliver because it’s not working efficiently. However, a little back pressure is a good thing. In fact, it helps.

What makes a turbo whistle?

What causes turbo whistle? Turbo whistle is the sound of the compressor inside the turbocharger speeding up (also known as ‘spooling up’, which is why it kicks in at the boost threshold (when the turbo starts to kick in) as you accelerate up the rev range.

Why do Subaru engines tick?

The most common reasons a Subaru Outback engine makes a ticking noise are low oil level or pressure, an issue with the ignition system, or an exhaust leak.

Why do boxer 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.

How much HP can STI handle?

400-450whp
Skim through the Subaru forums and you’ll find the question on so many STI owners’ minds, “how much horsepower can my EJ257 handle?” The answer is different for everyone, but the general consensus is that the 400-450whp range is when you might want to clear out the garage and get ready to pull a motor.

Is EVO better than STI?

Fact is the Evo’s 122 horsepower per liter easily bests the STI’s 102 horsepower per liter. But it’s not that simple either, as another important ratio to examine is weight to power. And no matter where it’s measured-from the crankshaft or wheels-the STI has at least a 1.2-pound-per-horsepower advantage over the Evo.