Is a true dual exhaust better?

Asked By: Merche Orttmann | Last Updated: 25th January, 2020
Category: automotive auto parts
4.4/5 (552 Views . 34 Votes)
If you have dual exhaust tips to a single exhaust, your vehicle will look great, but it's not doing anything to increase power. Dual exhaust will give you a significant power increase because of the engine's ability to breathe better. Thus, if you are trying to increase horsepower, dual exhaust may be worth the cost.

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Herein, what are the benefits of true dual exhaust?

Because the exhaust gases exit each manifold through two pipes rather than just one, they can exit the engine faster and provide additional horsepower gains. Dual exhaust systems help reduce backpressure, which can save energy and increase the engine's efficiency for better gas mileage.

Also, is true dual exhaust louder? The simple answer is yes, any true dual system is louder than the same system that has a crossover pipe. A crossover pipe does two things, it increases torque & it changes the frequency of the sound. There are twice as many exhaust pulses in both pipes with a crossover.

Just so, does true dual exhaust work?

A street view of this type of exhaust setup would lead one to believe that the vehicle has true dual exhaust but in fact, it does not. A true dual exhaust system would SEPARATELY utilize two exhaust manifolds or headers, 2 or more catalytic converters, 2 mufflers and 2 separate exhaust tail pipes.

What is true dual exhaust?

In lamens terms, true duals are both exhaust pipes ran by themselves, not tied into one with a Y pipe.

38 Related Question Answers Found

Does dual exhaust give more power?

Dual exhaust will give you a significant power increase because of the engine's ability to breathe better. Thus, if you are trying to increase horsepower, dual exhaust may be worth the cost. You'll have to replace the intake manifolds with headers, then add the proper piping, converters and mufflers.

Do exhaust tips add sound?

Exhaust Tips and Exhaust Sound
The shape and width of the exhaust tip can slightly change the sound to be either more throaty (larger tips) or raspy (smaller tips). Double-walled muffler tips tend to add a full-bodied sound. On their own, though, muffler tips will have a minimal effect on exhaust sound.

Does straight pipe exhaust increase horsepower?

The biggest reason that many people opt for a straight pipe exhaust is that these systems enhance your car's horsepower. You get better fuel economy and slightly better horsepower. However, the size of the pipe is important. You can't just go and get a thick pipe for your car.

How much is dual exhaust?

Exhaust System Parts Costs
Most after-market exhaust companies offer four types of components: Cat-back exhaust systems – anywhere from $300 to $1200 – The final cost will depend on steel thickness and type, as well as muffler quality. Axle-back exhaust systems – same as above.

Does cat back exhaust make a difference?


The Benefits of a Cat Back Exhaust System. A cat back exhaust system is a relatively simple power modification that will free up your exhaust gas flow and produce an engine note that is more pronounced than your stock muffler. An increase in fuel economy is often experienced after installing a cat back exhaust system.

Does dual exhaust need two catalytic converters?

Cars with Dual Exhaust
While most production cars have only one catalytic converter, some do come with two. Cars with dual exhaust often have two catalytic converters --- one for each set of pipes running from the headers to the rear of the vehicle.

Does removing mufflers increase horsepower?

Less restrictive performance mufflers, such as Flowmaster 10-Series , along with the removal of resonators can yield an increase of up to 15-horsepower at the wheels. Removal of all mufflers and resonators will provide slightly greater increases but remember as the restrictions are removed the exhaust grows louder.

Do you need two mufflers for dual exhaust?

you still only need one muffler if its a dual in/dual out, or a single in/dual out. you will need 2 mufflers if you get a single in/single out.

How much HP does a dual exhaust add?

Most manufacturers of aftermarket dual exhaust systems claim an increase of 15 to 20 percent in horsepower (hp). A car producing 190 hp, for example, could potentially see an increase to over 225 hp, an impressive gain. Adding headers generally adds another 20 to 20 hp.

Does an exhaust make a car faster?


An aftermarket performance exhaust can free some of the power in your engine. This means your engine "breathes" better, so spent fuel and air exit the combustion chambers faster. That means more fuel and air can be burned to create more power.

Can you turn a single exhaust car into a dual exhaust?

Answer: Removing the Y pipe and converting your truck's current "single" exhaust system into a "dual" system will cause a smog check failure. The smog technician will consider the modification you've made as a "tamper". You must keep the original exhaust system configuration designed by your vehicle's manufacturer.

Does straight pipe damage engine?

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.

How much horsepower does an exhaust add?

Depending upon your vehicle and the system you choose, an after-market exhaust can add as much as 50 horsepower or as little as 2 or 3 horsepower. Here's how you can figure out what to expect. Horsepower is calculated by multiplying torque by RPM.

Are two mufflers quieter than one?

Edit: yes two mufflers in series will be quieter than one. Running a full exhaust out the back will also quiet it down. Well the LQ4 might be a little warmer than described I think you're right in that 3" would probably due. Collector size is still open as we are building the headers.

Does flowmaster add horsepower?


When upgrading your muffler and increasing horsepower, you want to stick with the brand names you can trust. Flowmaster exhaust systems and Magnaflow mufflers, for instance, are known for delivering massive boosts in power and performance.

Why are they called Lake pipes?

The Lake Pipes was formed approximately four years ago as an alternative to formal car clubs. The name, Lake Pipes, is a reference to the area and play on words after the exhaust systems called lake pipes were used on hot rod vehicles in the 1940s and '50s.

Are straight pipes better than mufflers?

A straight pipe system can sound better than performance exhaust systems, but performance systems come in many shapes and sizes. With a little know-how, you can modify a performance system to do a lot of this same stuff without polluting the environment or the neighborhood with too much engine noise.