Walker Heavy Duty Truck Muffler, 11 in OD, 36 in Body Length, 5 in Inlet, Offset, Arc Weld, Aluminized Steel
#WAK21165
Product Overview
Heavy Duty Truck Muffler with Arc Weld mounting, 36 in body length, round body shape, offset inlet and outlet positions. Inlet side diameter is 5 in, outlet inner diameter is 11 in, outside diameter is 11 in, designed to reduce backpressure and engine noise while ensuring durability and long service life.
Features & Benefits
- Specifically engineered for class 7 and 8 vehicles
- Reduces highway drone
- Backed by the best guarantee in the industry - premium performance mufflers are backed by a 4-year / 500,000-mile / 800,000 km warranty plus an exclusive 90-Day safe and sound guarantee
- Straight-through performance design
- Products Meet Or Exceed Original Equipment Specifications. All Products Are Top-Of-The-Line Quality. & 100% Tested & Inspected In An Environment That Is IS09000 Compliant.
- Reduce backpressure without sacrificing acoustics - combines a straight-through design with OCF roving to produce a performance muffler that improves exhaust flow and delivers unparalleled performance and reduced backpressure, without sacrificing acoustics
- Premium construction for a long service life - constructed with aluminized heavy-gauge steel, internally welded baffles and bridge-constructed inlets/outlets to improve vibration resistance and durability
- Up to a 30% reduction in backpressure (Based on cold-flow bench test of competitive mufflers)
- 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
Specifications
| Body Length | 36 in |
| Finish | Aluminized |
| Height | 11 in |
| Inlet Diameter | 5 in |
| Inlet Position | Offset |
| Inlet Quantity | 1 |
| Inlet Type | Pipe Connection |
| Length | 36 in |
| Material | Steel |
| Outlet I.D. | 11 in |
| Outlet Quantity | 1 |
| Outlet Type | Pipe Connection |
| Reversible | No |
| Style | Straight-through |
| Type | Heavy Duty |
| VMRS Code | 043-003-001 |
| Weight | 24.5 kg |
| Width | 11 in |
| Back Pressure Rating | Up to a 30% reduction in backpressure (Based on cold-flow bench test of competitive mufflers) |
| Body Shape | Round |
| Inlet Side Diameter | 5 in |
| Mounting Type | Arc Weld |
| Outlet Position | Offset |
| Outside Diameter | 11 in |
| Manufacturer Part Number | 21165 |
| Product Category | Truck Muffler |
Interchanges & Equivalent parts:
| 86672M |
| NEL86672M |
| W21165 |
| 1909858 |
| 3923 |
| D8HZ5230AL |
| E3HZ5230D |
| M-672 |
| M45511 |




















