How to Make 6.7 Cummins Exhaust Louder

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You own a truck with 6.7 Cummins engine and wondering how to make my 6.7 Cummins louder?

You can make your enginer louder by bring out more horse power from the engine. There are varities of things to turbo boost your engine. You would need a proper exhaust tip system for that too.

Apart from removing intake baffle or silencer ring, another method to make your cummins 6.7 louder is to choose an exhaust tip for your vehicle. The exhaust system is usually designed to remove all the toxic gases that are produced in the engine. The exhaust helps to get them out and reduce pressure on the engine thus increasing fuel efficency.

There are various exhaust tips you can buy aftermarket that are designed to make your vehicle exhaust sound louder. Many people are crazy about showing off their roaring engine/ exhaust when they get on the road.

So if you are one of those, try these four ideas on making your 6.7 Cummins louder or maybe buy an exhaust tip to enjoy your ride in a new way. Here is the video for you and detailed step by step guide to make 6.7 Cummins Louder.

1. Remove Intake Baffle

The first and easiest method of all to make your 6.7 Cummins sound louder is to remove the intake baffle and your would be able to hear all the turbo sounds when you rev the engine. Removing the intake baffle from the engine basically put pressure on the exhaust making it sound louder than before.

The intake baffle is a plastic hose that is attached with the help of foam. Its inside the turbo hose clamp. Follow the steps below to remove intake baffle easily.

  • Open the hood and locate the turbocharge hose clamp.
  • Loosen all the screws of plastic hose slowly and then take the middle part of the hose.
  • You will see the intake baffle there. Pull and take it out.
  • Reassemble the plastic hose and close the hood.

Now, start the engine and you should have better sound from your engine too.

2. Remove Silencer Ring

Another way to increase 6.7 Cummins exhaust louder is to remove the silencer ring from turbo housing area. Silencer ring is a ring shaped metal that helps in flowing air flows.

To remove the silencer ring you need to follow these simple steps.

  • First of all, remove the turbo hose tube. For that you need to loosen the screws from silencer ring that are connected with plastic hose pipe.
  • Remove the turbo charger hose pipe and inside you will the turbine inside. The silencer ring is inside the turbine.
  • Push the metal ring from inside and it will get out.
  • Reassemble the turbocharger hose pipe and you are good to go.

Start the engine and accelerate a bit to see if engine has started getting louder than before.

3. Axle Dumping Exhaust

Axle Dumping Exhaust is another method to make 6.7 Cummins exhaust louder. It is the process of setting up the bent exhaust pipe facing downwards. It is a common practice to either cut and weld the old one or buy a new exhaust tip that can make it louder.

To do the axle dumping of the current exhaust, get the exhaust pipe and cut it according to your exhaust area. Weld it properly and set the pipe bending downwards or dump it.

After you are finished setting it up or installing a new one, start the engine and enjoy the turbo spark and loud noise from your exhaust.

4. Exhaust Gas Recirculation (EGR) Delete Kit

By Deleting EGR( Exhaust Gas Recirculation) valve, not only you get better fuel consumption but also increase the exhaust louder on a Cummins 6.7.

EGR Delete kit is a performance part of such high power engines to remove the EGR valve and prevent exhaust from being redirected back to the engine. Because sometimes, the exhaust reversing can occur causing resistance to pressure in exhaust.

If you use the EGR delete kit, you can make the mileage better and exhaust louder for Cummins 6.7 but keep in mind that you won’t get the error codes of ECU as there won’t be any valve.

There are other ways and techniques to make 6.7 Cummins engine exhaust louder like opening the filter element and inducing cold air which in turn helps quick flow of front air freely. But the above mentioned methods increase the sound of exhaust to significant levels.

Advantages of Making 6.7 Cummins Exhaust Louder

The above mentioned ways to making 6.7 Cummins Exhaust louder also signifies some other benefits that includes and not limited to

  • Making throttle more responsive
  • Increases fuel efficiency and better mileage.
  • Increases power to the turbocharger
  • No loss of power from the engine
  • Reduces chances of carbon build up inside the engine.
  • Engine temperature remains cool.

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