Does the SPT exhaust add horsepower?

STI Performance Exhaust Specs STI performance exhausts feature two slip-on mufflers and sporty, free-flowing exhaust tips that increases horsepower and torque with a mellow sound that’s sure to appeal to enthusiast drivers.

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. 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.

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.

Does Subaru have stainless steel exhaust?

A Subaru Forester stainless steel exhaust can be upgraded from the existing one and replace it with a performance exhaust, built for life. Profusion or Magnaflow mufflers are designed to improve the performance of your vehicle and deliver a much better exhaust sound; the choice is up to you, quiet, mid-sport, or loud.

Are OEM exhausts stainless steel?

OEM systems are USUALLY stainless, definitely not aluminum.

Do stainless steel exhausts sound better?

Stainless exhausts generally sound similar or identical to mild steel exhaust. The difference is that stainless systems are mandrel bent, which allows for better flow. Stainless exhausts are a great choice for cost-effective products, but you’ll need to ensure that you’re getting what is advertised.

How long will stainless steel exhaust last?

8-10 years
Stainless steel is more likely to crack, due to this internal stress. Most modern factory exhaust systems are made from 409 stainless steel. It is strong and will last 8-10 years in a moderate climate.

How long does a muffler last?

Typically, a car muffler will last 40,000 to 80,000 miles or around two to four years of average driving conditions. However, for vehicles driven in wet climates, such as along the coastline with salty air or in areas that get a lot of snow with salt on the roads, will see an even shorter muffler lifespan.

How long should a stainless steel exhaust last?

This is why the longevity of stainless steel exhausts is significantly longer than regular, carbon pipes. Although a stainless steel exhaust will last for a lifetime and not rust, unlike a mild steel exhaust, the heat will eventually change the colour of the exhaust, so bear this in mind.