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Walker 21302 Exhaust Muffler
| Brand | Walker 21302 |
|---|---|
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Body Width | 11 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 24 |
| Body Height | 5.5 |
| Body Length | 20 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 3.5 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Type | Pipe connection |
| Product line | Quiet-Flow SS |
| Fits | Chevrolet, GMC, and Isuzu · 41 vehicles |
100% stainless steel. Corrosion-resistant construction helps the muffler stand up to harsh exhaust conditions.
Precision fit. Engineered for a specific fit with OE-style sound and superior flow.
Oval combination design. A versatile muffler shape built for efficient exhaust flow.
Cross-references Walker Exhaust 55227, 289-639 and 289-641 for the same application. See all 8.
Walker Quiet-Flow SS Muffler for S10, Sonoma, and Hombre
Walker Quiet-Flow SS muffler part number 21302 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and long-term service. It is shaped as an oval combination muffler with a 2.5-inch inlet, 2.25-inch outlet, and OE-style sound characteristics for direct replacement use on select Chevrolet S10, GMC Sonoma, and Isuzu Hombre applications.
Key Features
- Specific-fit exhaust muffler for select domestic and import trucks
- Walker Quiet-Flow SS product line with precision fit and OE-style sound
- 100% stainless-steel body construction
- Oval muffler shape with combination design
- 2.5-inch offset inlet and 2.25-inch center outlet
- 24-inch overall length, 11-inch body width, and 5.5-inch body height
- Aluminized finish
Product Details
Walker Quiet-Flow SS is the brand’s stainless-steel muffler line for drivers who want a direct-fit exhaust replacement with controlled sound and consistent flow. This muffler uses a pipe connection inlet and outlet layout, with a 2.5-inch inlet inside diameter, 3.5-inch inlet offset, and 2.25-inch outlet inside diameter. Part number 21302 is listed for 1996-2004 Chevrolet S10, 1996-2004 GMC Sonoma, and 1997-1999 Isuzu Hombre applications, including Premium trims noted in the fitment data.
This part cross-references Walker Exhaust 55227 for the same application.
What It Helps Address
- Rusted or deteriorated factory muffler housing
- Exhaust noise that has increased from internal muffler wear
- Restricted exhaust flow caused by a damaged muffler core
- Need for an OE-style replacement on a Chevrolet S10 muffler, GMC Sonoma muffler, or Isuzu Hombre muffler application
- Replacement needs for select 1996-2004 truck exhaust systems
Installation Notes and Fitment
Fits 2000-2004 Chevrolet S10, N/A; except Sport Series. Fits 2000-2004 GMC Sonoma, N/A; except Sport Series. Fits 1998-2003 Chevrolet S10, N/A; Premium. Fits 1998-2003 GMC Sonoma, N/A; Premium. Fits 1996-1999 Chevrolet S10, N/A; Premium, without High Rider Option. Fits 1996-1999 GMC Sonoma, N/A; Premium, without High Rider Option. Fits 1997-1999 Isuzu Hombre, N/A; Premium.
For welded assemblies, replace all required parts during service to maintain proper exhaust alignment and sealing. Verify inlet and outlet dimensions, offset, and overall length against the existing exhaust layout before installation. Part number 21302 is a direct replacement-style muffler for specific-fit applications, so matching the vehicle notes is important for correct installation.
Quality Assurance
Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are engineered for precision fit, improved flow, and OE-style sound. The fitment notes list a limited lifetime warranty for the covered applications.
| Year | Make | Model | Submodel | Body Type | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | Chevrolet | S10 | — | Crew Cab Pickup | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2004 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | 122.9" | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 122.9" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | 122.9" | N/A | Except Sport Series; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2000 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | 108.3" | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Isuzu | Hombre | — | — | — | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | Chevrolet | S10 | — | — | RWD | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | GMC | Sonoma | — | — | RWD | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1998 | Isuzu | Hombre | — | — | — | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1997 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1997 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1997 | Isuzu | Hombre | XS | — | RWD | 4.3L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1996 | Chevrolet | S10 | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1996 | GMC | Sonoma | — | — | 4WD | 4.3L | V6 | — | N/A | Premium; without High Rider Option; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
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