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As part of our expanded focus on the exhaust market, over 250 part numbers have been added to the new Donaldson exhaust catalog. New parts include 30 new off-road mufflers and a wide variety of new clamps that are easier to install and have better sealing ability.

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Donaldson Truck Mufflers
Donaldson is the market leader in heavy-duty mufflers. We offer over 150 replacement mufflers, including the M100465 – the industry’s most popular truck muffler.
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Donaldson Off-Road Mufflers
If you’re looking for a replacement for your off-road equipment, you’ll want to take a look at a new line of off-road aluminized steel mufflers. Available in five muffler styles and with a high temperature black finish, these mufflers can be installed in any position. Matching mountings bands are also available to compliment the muffler.
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Reduce Your Engine Brake Noise
The Donaldson Silent Partner™ is a combination of absorptive and reactive silencing techniques packaged to reduce harsh engine noise generated using an engine brake. Silent Partner has a 500,000 mile/4 year warranty
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Exhaust Clamps
Used to seal muffler inlets, outlets, elbow joints and flex pipe, you’ll find a wide selection of clamps available from in stainless and aluminized materials. The key for a tight and leak-free connection is making sure you have the right clamp for the right job!
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Flex Tubing, Elbows, Bent Tubes, Connectors & Reducers
No matter what type of connecting device you need for your medium- and heavy-duty vehicles, you’ll find it available from Donaldson.
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Stack Pipes and Tailpipes
Curved, straight, long 90º, monsters, or dump truck stacks – Donaldson has what you need and in a choice of materials – bright stainless, chrome, and aluminized.
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