# 607-121 - MUFFLER ASM, AVENGER EFI

607-121 - MUFFLER ASM, AVENGER EFI - ARGO PARTS

Replacement muffler.  
  
Fits Argo XTV Models:  
  
Avenger 750 EFI 8x8  
Frontier EFI 6x6  
Frontier EFI 8x8  
HDI SE 8x8  
HDI 750 8x8  
  
**If ordering this muffler for the Avenger 700 8x8 or HD 700 8x8 you will also need the following parts to plug the oxygen sensor port on this muffler.**  
  
**(1)  607-211  Plug, Oxygen Sensor Port**  
**(1)  114-34    Copper Washer, Plug**  
  
  
Replaces: 607-119

## Details

- **Price:** 652.74 USD
- **Vendor:** ARGO
- **Tags:** Argo Parts, OEM Parts

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 652.74 USD | In stock |

## Images

- 607-121 - MUFFLER ASM, AVENGER EFI - ARGO PARTS
- 607-121 - MUFFLER ASM, AVENGER EFI

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> Source: [Doc's Full Bore Outdoor](https://parts.docsfullboreoutdoor.com/products/607-121)
> Updated: 2026-05-27