How much horsepower do you gain from cat back exhaust?

In general, expect a 2-5 percent increase in torque, horsepower, and fuel mileage.

Does cat back exhaust make a difference?

Typically, that includes a mid-pipe, muffler, tailpipe and tips. Cat-backs generally yield increases in performance, due to the more efficient flow of exhaust through upgraded parts like larger diameter tubing and better flowing mufflers, as well as improved sound and reduced weight.

Is a cat back exhaust a cat delete?

Cat-back exhaust systems will include any pipes that run from the catalytic converter to the muffler, the muffler itself, any pipes that may run from the muffler to the exhaust tips, and the exhaust tips themselves. Some cat-back exhaust systems have a muffler delete, which means no muffler is included.

Is a cat back exhaust loud?

Cat-back exhaust replaces your stock muffler with one that’s less restrictive. This means the sound from combustion will still be suppressed, but not so much – resulting in a more aggressive and louder sound.

How much HP does Borla exhaust add?

8 to 12 horsepower
Borla exhaust systems are designed to have the optimal diameters and low restriction flow that promote scavenging. The Borla R&D team performs dynamometer testing on new parts to ensure power gains. We frequently see gains in the 8 to 12 horsepower range, sometimes much higher.

Do you need a tune with a cat back exhaust?

They may let more sound flow through, but CB systems do not affect the aspiration of the engine. As a result, Cat-Back exhaust systems do not require an updated tune.

Does a Catback exhaust include a downpipe?

The Cat Back is an exhaust system that contains the catalytic converter, whereas, installing a Turbo Back Exhaust system will include also installing the downpipe that connects everything together.

Are cat back exhaust legal in Texas?

Any modification you make must not cause your vehicle to put out more emissions than required by law. In addition to your muffler, your exhaust system must have a catalytic converter. If your exhaust system has additional components, such as resonators, then you may not remove those either.