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Common Commercial
Vehicle Q&A

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Common Commercial Vehicle Q&A 

Getting answers

Have a commercial vehicle exhaust question? Read on to get the answers to common questions.

Q: What is the difference between the Walker® Mega-Flow® and Mega-Flow NOISEBRAKER ® muffler?

A: The Walker Mega-Flow is a straight-through commercial performance muffler for class 7 and 8 trucks. The straight-through internal design of the Walker Mega-Flow muffler reduces backpressure without sacrificing acoustics.  

 
The Walker Mega-Flow NOISEBRAKER muffler utilizes our exclusive triple tuning chamber noise reduction technology to provide a bolt-on solution to absorb unwanted engine brake noise/bark. 

Q: What’s the best muffler to work with an engine braking system? 

A: The Walker Mega-Flow NOISEBRAKER muffler utilizes our exclusive triple tuning chamber noise reduction technology to provide a bolt-on solution to absorb unwanted engine brake noise/bark. 

Q: What is the width of a Walker Mega-Clamp®?

A: The Walker Mega-Clamp has an overall width of 3".

Q: The Walker Mega-Clamp has black sealant on the inside joint. Should I remove the plastic wrap, covering the sealant, before installation?

A: Yes, removing the plastic wrap will allow the sealant to disperse evenly across the clamp joint once tightened together.

Q: What is the difference between butt and lap joint band clamps?

A: Lap joint band clamps are used to connect OD to ID pipe. Butt joint band clamps are used to connect OD to OD or ID to ID pipe.

Q: What temperature range is Walker flex pipe rated for?

A: Galvanized - Recommend for applications of up to 600°F/315°C.  
Aluminized - Recommend for applications from 600°F to 1200°F/315° to 650°C.  
Stainless Steel - Recommend for applications over 1200°F/650°C. 

Q: What is the Tech-FitSM catalog? 

A: The Walker Commercial Vehicle Tech-Fit utilizes on-hand inventory pipes and parts to create fast, easy replacement alternatives instead of waiting for non-stocking direct-fit parts.

 

Learn more about quality commercial vehicle exhaust parts, find the right heavy duty part, or find a local repair shop today.

The content contained in this article is for informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content.

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