Dear Motor Medics, I have a question aboutmufflers. Letme start by saying I am 72 years young and drive a 2003 GMC 3/4-ton diesel truck. This thing is mint and I have about every gadget known to man installed on it.
What I have not done is modify the exhaust.
I deliver RV trailers across the countrywith it and Iwonder if adding a different exhaust may help with mileage.
I see so many muffler systems on the road and some are so loud that I can hear them as they drive by with my windows up and air and radio on. I don’t want to have a muffler that overpowers me.
Is there such a thing as a performance muffler system that is also quiet?
Dan the tow man in Fargo North, Dakota
Dear Dan, Yes, there are mufflersthat are quiet and add performance. With diesel, a free-flowing exhaust system can make a difference in both power and mileage especially if used in conjunction with a power programmer which we will talk about often on our talk radio show.
An exhaust system alone can also give you a boost and bigger and louder is not always king.
Check on the dieseltruck forums and seewhatisworking for others with the same model truck. You will find many systems that provide both the added power you desire while keeping the noise level you want inside as well.
Take care,
The Motor Medics
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