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Walker
Quiet-Flow SSWalker 21642 Exhaust Muffler
| Brand | Walker 21642 |
|---|---|
| Muffler Type | Reflection |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.625 |
| Body Width | 9 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 3 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 38 |
| Body Height | 7 |
| Body Length | 26 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.625 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2 |
| Inlet Type | Pipe connection |
| Outlet 1 Inside Diameter | 3 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe connection |
| Product line | Quiet-Flow SS |
| Fits | Dodge and Ram · 73 vehicles |
100% stainless-steel construction. Resists corrosion for long-lasting exhaust performance.
Quiet-Flow SS design. Delivers superior flow with OE-style sound.
Precision fit. Specific-fit muffler installs cleanly with pipe connections.
Cross-references Catco 2566 for the same application. See all 1.
$141.27Free shipping
In stock · usually ships same day before 1pm CST
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Walker Quiet-Flow SS Muffler for Ram 1500
Walker Quiet-Flow SS muffler Part Number 21642 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and long-term service. It is engineered for OE-style sound, precise fitment, and steady exhaust flow on select Ram 1500 and Dodge Ram 1500 applications.
Key Features
- Specific-fit exhaust muffler for confirmed Ram and Dodge Ram applications
- 100% stainless-steel body material for durability in exhaust service
- Oval muffler shape with reflection-style internal design
- Offset inlet and outlet configuration for direct replacement routing
- 2.625-inch inlet inside diameter and 3-inch outlet inside diameter
- Overall length of 38 inches with a 26-inch body length
- Walker Quiet-Flow SS product line focused on precision fit and OE-style sound
Product Details
Walker Quiet-Flow SS Part Number 21642 is a stainless-steel exhaust muffler designed for drivers who want a direct-fit replacement that maintains factory-like sound characteristics while supporting efficient exhaust flow. The oval body measures 9 inches wide and 7 inches high, with an aluminized finish and offset pipe connections for the inlet and outlet. This muffler is listed for 2019-2023 Ram 1500 Classic, 2011-2018 Ram 1500, and 2009-2010 Dodge Ram 1500 applications, including select single-exhaust and bed-length configurations. If you are searching for a Ram 1500 muffler replacement or a Dodge Ram 1500 exhaust muffler Part Number 21642, this unit matches the confirmed fitment data provided.
This part cross-references Catco 2566 for the same application.
Common Exhaust Issues It Can Address
- Excessive exhaust noise from a worn or damaged muffler
- Rust-related muffler deterioration in the exhaust system
- Restricted exhaust flow caused by internal muffler wear
- Factory muffler replacement needs on Ram 1500 and Dodge Ram 1500 trucks
- Fitment concerns when replacing an OE-style muffler with the correct inlet and outlet configuration
Installation Notes and Tips
Verify the vehicle year, make, model, bed length, and single-exhaust configuration before ordering. This muffler uses pipe-connection inlet and outlet ends with an offset layout, so the existing exhaust routing should be checked against the listed dimensions: 2.625-inch inlet and 3-inch outlet. Confirm available space for the 38-inch overall length and 26-inch body length during replacement planning. For Ram 1500 and Dodge Ram 1500 applications, match the confirmed fitment row to the vehicle configuration before installation.
Quality Assurance
Walker Quiet-Flow SS mufflers are part of a stainless-steel exhaust line built around precision fit, consistent flow, and OE-style sound. The manufacturer description identifies limited lifetime warranty coverage on select Ram 1500 applications listed in the fitment data.
This part fits 73 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2023 | Ram | 1500 Classic | — | — | 5.7L | V8 | — | N/A | Quiet-Flow SS |
| 2022 | Ram | 1500 Classic | — | — | 5.7L | V8 | — | N/A | Quiet-Flow SS |
| 2021 | Ram | 1500 Classic | — | — | 5.7L | V8 | — | N/A | Quiet-Flow SS |
| 2020 | Ram | 1500 Classic | — | — | 5.7L | V8 | — | N/A | Quiet-Flow SS |
| 2019 | Ram | 1500 Classic | — | — | 5.7L | V8 | — | N/A | Quiet-Flow SS |
| 2018 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2018 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2018 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2018 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2018 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2018 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2017 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2016 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2015 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2014 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | — | 4.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | — | 3.6L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2013 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | Express | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | ST | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | Sport | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | Outdoorsman | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | Tradesman | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | SLT | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | — | 3.7L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | — | 4.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2012 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | — | 3.7L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | — | 4.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Long Bed; Premium; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | Crew Cab Pickup | 5.7L | V8 | — | N/A | Premium; with Single Exhaust; Limited Lifetime Warranty; Extra Short Bed; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | Extended Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2011 | Ram | 1500 | — | Standard Cab Pickup | 5.7L | V8 | — | N/A | Premium; Short Bed; with Single Exhaust; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | ST | — | 5.7L | V8 | 140.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | ST | — | 5.7L | V8 | 120.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | SLT | — | 5.7L | V8 | 140.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | SLT | — | 5.7L | V8 | 120.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | — | — | 4.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2010 | Dodge | Ram 1500 | — | — | 3.7L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | ST | — | 5.7L | V8 | 140.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | ST | — | 5.7L | V8 | 120.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | SLT | — | 5.7L | V8 | 140.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | SLT | — | 5.7L | V8 | 120.0" | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | — | — | 4.7L | V8 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2009 | Dodge | Ram 1500 | — | — | 3.7L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| No rows match your filter. | |||||||||
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Catco — 2566