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Heavy Duty Direct Fit Exhaust Muffler 4" Inlet (ID) 4" Outlet (ID)Walker ExhaustPart # 22789

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All parts come with easy returns, full warranty and money back guarantee.
Built on trust. Stocked and shipped from our U.S. distributors.
Learn MoreWalker Exhaust 22789 Exhaust Muffler Details:
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a "one-stop" convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic, import and commercial vehicle applications.
Manufactured from aluminized steel for durability
Designed to help ensure long service life
Engineered to reduce in-cab and exterior engine noise
Offered in a variety of styles, sizes and materials for your installation needs
An economical replacement for the original equipment part
Warranty
Walker Exhaust 22789 Exhaust Muffler Product Details:
| Overall Length | 36.000 |
| Shape | Round |
| Inlet Quantity | 1 |
| Inlet Type | Pipe Connection |
| Inlet Inside Diameter | 4.000 |
| Inlet Location | Offset |
| Body Length | 30.000 |
| Body Width | 11.000 |
| Body Height | 11.000 |
| Body Material | Steel |
| Outlet Quantity | 1 |
| Outlet Type | Pipe Connection |
| Outlet Location | Offset |
| Outlet Inside Diameter | 4.000 |
| Grade Type | Standard Replacement |
| Finish | Aluminized |
| Reversible | No |
| Tunable | No |
| Universal Or Specific Fit | Universal |
| Hanger Included | No |
| Inlet Offset | 2.500 |
Walker Exhaust 22789 Exhaust Muffler Packaging:
| Weight | 34.96 PG |
| Dimensional | 36.2116 PG |
| Merchandising height | 11.75 IN |
| Merchandising width | 11.5 IN |
| Merchandising length | 37.25 IN |
| Shipping height | 11.75 IN |
| Shipping width | 11.5 IN |
| Shipping length | 37.25 IN |
Price unavailable

Warranty
Warranty
12 month/24K Miles
QTY
Have a Question? Ask a Specialist

All parts come with easy returns, full warranty and money back guarantee.
Built on trust. Stocked and shipped from our U.S. distributors.
Learn MoreWalker Exhaust 22789 Exhaust Muffler Details:
Walker® offers hundreds of muffler designs and styles to fit virtually any hard-working on/off road commercial vehicle. Walker is a "one-stop" convenience, offering complete engine-to-tailpipe coverage of replacement emissions control systems and components for popular domestic, import and commercial vehicle applications.
Manufactured from aluminized steel for durability
Designed to help ensure long service life
Engineered to reduce in-cab and exterior engine noise
Offered in a variety of styles, sizes and materials for your installation needs
An economical replacement for the original equipment part
Walker Exhaust 22789 Exhaust Muffler Product Details:
| Overall Length | 36.000 |
| Shape | Round |
| Inlet Quantity | 1 |
| Inlet Type | Pipe Connection |
| Inlet Inside Diameter | 4.000 |
| Inlet Location | Offset |
| Body Length | 30.000 |
| Body Width | 11.000 |
| Body Height | 11.000 |
| Body Material | Steel |
| Outlet Quantity | 1 |
| Outlet Type | Pipe Connection |
| Outlet Location | Offset |
| Outlet Inside Diameter | 4.000 |
| Grade Type | Standard Replacement |
| Finish | Aluminized |
| Reversible | No |
| Tunable | No |
| Universal Or Specific Fit | Universal |
| Hanger Included | No |
| Inlet Offset | 2.500 |
Walker Exhaust 22789 Exhaust Muffler Packaging:
| Weight | 34.96 PG |
| Dimensional | 36.2116 PG |
| Merchandising height | 11.75 IN |
| Merchandising width | 11.5 IN |
| Merchandising length | 37.25 IN |
| Shipping height | 11.75 IN |
| Shipping width | 11.5 IN |
| Shipping length | 37.25 IN |
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We partner exclusively with reputable U.S. companies so you can buy with confidence. Every part is new and original from the manufacturer, covered by full warranties, plus our money-back guarantee.
FAQ
Genuine only. We source through the largest U.S. distributors that supply professional shops nationwide. Parts are new and original from the manufacturer, from authorized channels only. No marketplace sellers. No gray imports.
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Price unavailable

Warranty
Warranty
12 month/24K Miles
QTY
Have a Question? Ask a Specialist