---
product_id: 9606803
title: "Ultra Flo 17221 Exhaust Muffler for Ford F-250 Super Duty"
brand: "dynomax"
price: "$260.57"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/9606803-ultra-flo-17221-exhaust-muffler-for-ford-f-250-super
store_origin: US
region: United States of America
---

# Up to 2,000 SCFM exhaust flow Supports up to 2,000 HP power 100% welded stainless steel build Ultra Flo 17221 Exhaust Muffler for Ford F-250 Super Duty

**Brand:** dynomax
**Price:** $260.57
**Availability:** ✅ In Stock

## Summary

> 🔥 Unleash the beast under your hood with Dynomax Ultra Flo!

## Quick Answers

- **What is this?** Ultra Flo 17221 Exhaust Muffler for Ford F-250 Super Duty by dynomax
- **How much does it cost?** $260.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/9606803-ultra-flo-17221-exhaust-muffler-for-ford-f-250-super)

## Best For

- dynomax enthusiasts

## Why This Product

- Trusted dynomax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Premium stainless steel with 100% welded design for unmatched durability and rust resistance.
- • **Dyno-Proven Power:** Engineered and tested to flow up to 2,000 SCFM and support engines up to 2,000 horsepower.
- • **Maximized Performance:** Straight-through design reduces back pressure, unlocking your truck’s true power potential.
- • **Perfect Fit Guarantee:** Specifically designed for 2008-2010 Ford F-250/F-350 Super Duty and select Chevy/GMC models for seamless installation.
- • **Precision Sound Control:** CRF Technology absorbs unwanted resonance, delivering a deep, aggressive exhaust tone.

## Overview

The Dynomax Ultra Flo 17221 Exhaust Muffler is a high-performance, stainless steel muffler engineered for 2008-2010 Ford F-250 and F-350 Super Duty trucks. Featuring a 100% welded design and CRF Technology, it ensures maximum durability, optimal exhaust flow up to 2,000 SCFM, and a deep, aggressive tone while supporting engines up to 2,000 horsepower.

## Description

Dynomax

## Features

- COMPATIBILITY – Fits 2009-2012 Chevrolet Colorado; 2009-2012 GMC Canyon; 2008-2010 Ford F-250 Super Duty; 2008-2010 Ford F-350 Super Duty
- GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
- Stainless steel construction for lifelong protection
- 100% welded design for maximum durability
- Straight through design ensures unrestricted exhaust flow and reduces back pressure
- CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
- Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Dynomax |
| Item dimensions L x W x H | 20 x 10.5 x 5.24 inches |
| Vehicle Service Type | Car |
| UPC | 086387172219 |
| Manufacturer | Tenneco (Dynomax, Walker, Thrush) |
| Global Trade Identification Number | 00086387172219 |
| OEM Part Number | 17221 |
| Item Weight | 10.7 pounds |
| Product Dimensions | 20 x 10.5 x 5.24 inches |
| Item model number | 17221 |
| Manufacturer Part Number | 17221 |

## Product Details

- **Brand:** Dynomax
- **Item dimensions L x W x H:** 20 x 10.5 x 5.24 inches
- **Vehicle Service Type:** Car
- **UPC:** 086387172219
- **Manufacturer:** Tenneco (Dynomax, Walker, Thrush)

## Images

![Ultra Flo 17221 Exhaust Muffler for Ford F-250 Super Duty - Image 1](https://m.media-amazon.com/images/I/71eVtx-2IwL.jpg)

## Frequently Bought Together

- Dynomax Ultra Flo 17221 Exhaust Muffler for Ford F-250 Super Duty
- EVIL ENERGY 3'' Exhaust Clamp,Lap Joint Band Clamp Stainless Steel for Pipes,Mufflers,Catalytic Converters (2PCS, 3.0 inch)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/9606803-ultra-flo-17221-exhaust-muffler-for-ford-f-250-super](https://www.desertcart.us/products/9606803-ultra-flo-17221-exhaust-muffler-for-ford-f-250-super)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-29*