Walker Exhaust 18901 exhaust muffler for the 1996-2000 Toyota 4Runner V6 3.4L carries exhaust gas through an oval steel body to quiet engine noise. Like other Walker Exhaust mufflers in the SoundFX line, it is a combination muffler with an offset inlet and outlet.
- SoundFX line muffler made of 100% aluminized steel for longer service life
- Mechanical interior joints and spun-locked heads for durability, with the heads resisting rupture from backfires
- Louvered tubes that help reduce radiated noise for factory-style sound quality
- Internal partitions and mechanically joined tubes that allow expansion and contraction during temperature changes to minimize distortion
- Aluminized steel construction and an internal drainage system that help reduce corrosion
Quick facts
- Part: Walker Exhaust 18901 exhaust muffler
- Fits: 1996-2000 Toyota 4Runner V6 3.4L
- Material: Steel
- Condition: New
A louder or deeper exhaust note, a rattle, or rust holes in the muffler body can mean the muffler is wearing out. Before you replace it, rule out a loose clamp or hanger and a leak in a neighboring pipe section, which can sound similar.
Fits
This muffler is a direct-fit replacement for the 1996-2000 Toyota 4Runner V6 3.4L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Overall length: 57 in
- Body: 21 in long, 11 in wide, 5.5 in high
- Inlet diameter: 2.25 in (outside diameter)
- Outlet diameter: 2.25 in (outside diameter)
- Inlet offset: 1.5 in
- Inlet and outlet: offset, 2 bolt welded flange
Build and materials
- Type: combination muffler
- Shape: oval
- Material: steel
- Finish: aluminized
- Hanger: included
- Condition: new
- Country of origin: United States
In the box
One exhaust muffler with its hanger. This listing holds one muffler, and the vehicle takes one muffler.
Installation notes
- Bolt-on installation using factory-style hangers, brackets and pipe routings.
- No specialized fabrication or welding is required.
Interchange: 282-139
38666 · 700394
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this 4Runner muffler right for the 1996-2000 Toyota 4Runner V6 3.4L?
Yes. Walker Exhaust 18901 is listed for the 1996-2000 Toyota 4Runner V6 3.4L and is a direct-fit design with an offset inlet and outlet.
What size are the inlet and outlet on the Walker Exhaust 18901 muffler?
Both measure 2.25 in outside diameter, with a 1.5 in inlet offset and a 2 bolt welded flange on the connections. Overall length is 57 in.
Does this exhaust muffler come with a hanger?
Yes, a hanger is included. The listing is one muffler.
How can I check whether the muffler body is worn out?
With the engine off and cool, look over the muffler for rust holes, cracked seams or a loose hanger. A louder or rattling exhaust note can also point to wear, and a shop can test for leaks.
Is 282-139 an interchange number for this muffler?
Yes. 282-139 is listed as an interchange number for this muffler, Walker Exhaust 18901.
