Walker® Commercial Vehicle - One call. One trusted Source.
Walker® offers one of the most complete selections of OE-quality replacement exhaust and emissions control products.
Walker® Commercial Vehicle- The industry’s best product support.
Walker products optimize efficiency and performance from your hardest-working vehicles.
Walker® Commercial Vehicle has all the products & accessories needed to complete the job.
WALKER® COMMERCIAL VEHICLE: e-Catalog

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WALKER® COMMERCIAL VEHICLE: Muffler Dimension Search

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WALKER® COMMERCIAL VEHICLE: Support
The Walker team is committed to helping technicians stay on the leading edge of emissions control diagnosis and repair for commercial vehicles. From web-based resources to live technical support, Walker is a trusted partner in the success of automotive service professionals.
WALKER® COMMERCIAL VEHICLE: FAQ
What is the difference between the Walker Mega-Flow and Mega-Flow Noisebraker muffler?

The Walker® Mega-Flow® is a straight-through performance muffler for class 7 and 8 truck. 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.

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

The Walker® Mega-Clamp® has an overall width of 3-inches.

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

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

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What is the difference between a Butt and Lap joint band clamp?

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.

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What temperature range is Walker® flex pipe rated for?

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.

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