Diesel Exhaust Muffler | 4-Inch or 5-Inch Stainless Steel

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Diesel Exhaust Muffler in Stainless Steel for 4-Inch or 5-Inch Systems, Featuring a Straight-Through Design

$140.45

Choose your Muffler Size 4-Inch 5-inch

Exhaust Quality 409 Stainless Steel 304 Stainless Steel

This diesel exhaust muffler brings a straight-through flow path to your truck's exhaust setup. Its non-directional design allows installation in either direction, giving you flexibility when positioning the muffler within a compatible system.

Choose the connection size and stainless steel grade that suit your build: 4-inch or 5-inch inlet and outlet inner diameters, each offered in 409 or 304 stainless steel. Internal mesh and fiberglass help absorb unwanted interior resonance.

Check your exhaust dimensions and available installation space before ordering. Mounting hardware is not included; installation may require welding or separately supplied clamps.

Features

Straight-through flow path for diesel exhaust applications.
Non-directional design permits installation in either direction.
Both connection sizes are offered in 409 and 304 stainless steel.
Internal mesh and fiberglass help absorb unwanted interior resonance.
Matching inlet and outlet inner diameters within each size.
Hardware-free supply lets you select the fastening method required by your exhaust setup.

Specifications

Product type: Diesel exhaust muffler
Stainless steel grades: 409 or 304
4-inch model connections: 4-inch inlet inner diameter and 4-inch outlet inner diameter
5-inch model connections: 5-inch inlet inner diameter and 5-inch outlet inner diameter
Overall length: 20.25 inches
Body length: 14 inches
4-inch model body: 7-inch round
5-inch model body: 8-inch round
Flow path: Straight-through
Installation direction: Either direction
Internal materials: Mesh and fiberglass
Included mounting hardware: None

Frequently Asked Questions

How do I choose between the 4-inch and 5-inch diesel exhaust mufflers?

Match the muffler's inlet and outlet inner diameters to your exhaust connection requirements. The 4-inch model has a 7-inch round body, while the 5-inch model has an 8-inch round body; both are 20.25 inches long overall.

Can this diesel exhaust muffler be installed in either direction?

Yes. This muffler has a non-directional design, so either end can serve as the inlet when installed in a compatible exhaust system.

Does the muffler include clamps or other mounting hardware?

No. Mounting hardware is not included with this diesel exhaust muffler. Depending on your existing system, you may need to supply clamps or have the muffler welded into place.