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DynoMax 39471 Exhaust System for the Toyota Tundra – A Review

Adding a performance exhaust to your Toyota Tundra is a simple way to not only grab a bit more horsepower but also improve the sound of your vehicle – especially if you own a V8 model. The lure of the eight-cylinder rumble is a powerful one, which means that there are many different cat-back exhaust systems available from the aftermarket. We decided to install a DynoMax system on our Tundra project truck so that we could evaluate both the benefits and the downsides of opening up your pipes.

How Long Should My Muffler Last?

Ideally, a muffler could last forever (or at least longer than your truck). However, many factors come into play that cause the exhaust system to wear and corrode, and eventually require replacement. Some owners find they must replace their truck muffler every 2 or 3 years, while others find their truck’s exhaust system is trouble-free for more than a decade.

How long do mufflers last

Most newer vehicles use 409 stainless steel for their exhaust system, which means they'll last 8-10 years. However, geography, snow removal, and your driving habits can shorten or prolong that figure...

Here’s a quick overview of how long a system can and should last, depending on your specific situation.

Do QTP Electric Exhaust Cutouts Live Up To The Hype?

Power versus noise – it’s a common dilemma facing anyone considering a Toyota Tundra exhaust system. If you’re interested in additional horsepower for towing, hauling, or off-roading, a free-flowing exhaust is one of the best performance investments you can make. However, some of the most aggressive “free-flowing” exhaust systems can transform your truck’s engine note from a tasteful purr to a raucous thunderclap that is both irritating to your neighbors and headache-inducing at highway speeds.

One solution that appeals to truck owners who only require additional exhaust flow in specific situations is to install an exhaust system cutout.

After Market Toyota Tundra Exhaust Systems

No doubt you’ve been out driving your Tundra and had your head turned by the rumbling exhaust of another full size pickup driving by. There’s just something about the deep, throaty sound of a V8 engine amplified by a set of wide pipes and performance mufflers. Fortunately, there are dozens of options for getting that same aggressive sound on your Tundra – not to mention some nice horsepower gains. Let’s take a look at some of the options out there.

Gibson truck exhausts.

Gibson Exhaust offers aluminized and stainless steel cat-back exhaust systems with single pipes – either rear or side exit – as well as dual pipes with rear or side exits. Pricing starts at about $450 including shipping.

Ask Tundra Headquarters: Dual vs Single Exhaust Question

Chris writes:

Thanks for the great info regarding the Tundra 5.7L exhaust. I have a question though. The local muffler shops offer dual in dual out exhaust for the Tundra, but they use smaller crush bent 2.25″ pipes for the exhaust. Will the smaller pipes hurt the performance of my truck or break even with the OEM 3″ exhaust? I want the dual exhaust sound, but not at the expense of performance, so should I just replace the stock muffler and keep the stock single 3″ exhaust pipe or dual it out with a couple of smaller 2.25″ pipes?

Good question.

Most muffler shops will tell you that pipe size isn’t nearly as important as pipe configuration and layout, but I don’t see any reason why you can’t have both.