Question: What Is A Cat Back Straight Pipe?

What is a cat back exhaust?

Cat Back Systems The Borla “Cat Back™” name implies the exhaust system is located behind the factory catalytic converter where there factory emissions remain untouched and vehicle stays emissions compliant.

This remains distinct from the Axle Back exhaust system that is located behind the rear axle..

Does straight pipe damage engine?

… a race car style exhaust system is a bad upgrade for a street vehicle. … A straight pipe, for example, can cause exhaust gas velocity to increase. This will likely reduce engine performance below 2,000 or 2,500 RPM, making your vehicle a little slower to launch from a stoplight.

Why is straight piping illegal?

A straight pipe is just that, a pipe that is straight with no restrictions unlike most exhaust systems. There are a few reasons as the why this is illegal. … According to New York Car Laws, a vehicle must have an adequate muffler and exhaust system, making any straight pipes illegal.

Does a cat back exhaust increase mpg?

Cat-Back Exhaust System The pipes are larger. The mufflers are also designed to facilitate a more efficient draining of the exhaust. Cat-back exhaust systems improve gas mileage and enhance engine sound as well.

Will no back pressure hurt my engine?

Abstract: Exhaust system components such as mufflers and exhaust aftertreatment devices are a source of engine exhaust back pressure. Increased back pressure levels can cause increased emissions, increased fuel consumption, and can negatively affect engine performance.

Should I straight pipe?

The biggest reason that many people opt for a straight pipe exhaust is that these systems enhance your car’s horsepower. These systems reduce back pressure from the engine which allows exhaust gases to flow freely and help the engine perform without hindrances. … You can’t just go and get a thick pipe for your car.

Is a cat back exhaust a straight pipe?

A cat back exhaust is everything after all the catalytic converters. It usually includes a muffler. An axleback is everything behind the axle (usually just the mufflers and tailpipe). … A straight pipe is exactly what it sounds, an exhaust consisting of only a pipe and no mufflers.

Do you need a catalytic converter with a cat back exhaust?

As Ramsey has said cat-back exhaust systems usually start at the rear of the catalytic converter because it is illegal to modify the system from there forward. … As Ramsey has said cat-back exhaust systems usually start at the rear of the catalytic converter because it is illegal to modify the system from there forward.

Is a cat back exhaust worth it?

Will an aftermarket exhaust be worth the expense? … Cat-back systems are the most commonly chosen aftermarket exhaust system because they provide solid performance and sound gains without the great expense of purchasing a new catalytic converter.

How much horsepower can a cat back exhaust add?

In terms of power, though, that’s objective data. The new exhaust adds two pound-feet of torque and 2.5 horsepower, but only once VTEC kicks in and the engine needs more airflow.

Do high flow cats add horsepower?

The amount of horsepower you will get from a high flow catalytic converter depends on your engine and the modifications you have made to it. You may see a horsepower gain of as little as 5 hp or as much as 60 hp. You may also get an extra 5-60 ft lbs of torque.

Does a straight pipe waste more gas?

Does straight pipe use more gas? Straight pipe will not lower your gas mileage but will maintain it and just give your car better performance.