/live/media/WK/WK_21410_Fro.jpg)
Will it fit your vehicle?
Confirm before you buy. Free return shipping if it doesn't fit.
Walker 21410 Exhaust Muffler
| Brand | Walker 21410 |
|---|---|
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.25 |
| Body Width | 8.8125 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 32 |
| Body Height | 4.25 |
| Body Length | 28 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.25 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2.625 |
| 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 | Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn · 28 vehicles |
100% stainless steel. Corrosion-resistant construction helps it stand up to harsh exhaust conditions.
Precision fit. Engineered for a specific fit with straightforward installation.
OE-style sound. Delivers a refined exhaust note without harsh drone.
Cross-references Anchor 2235 and Anchor 2571 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Quiet-Flow SS Muffler for OE-Style Replacement
Walker Quiet-Flow SS muffler Part Number 21410 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and long-term service. It is engineered for a precise fit, steady exhaust flow, and an OE-style sound profile on select GM minivan applications.
- Specific-fit exhaust muffler for direct replacement applications
- Oval muffler body with 2.25-inch inlet and 2.25-inch outlet
- 100% stainless-steel body construction
- Offset inlet and center outlet pipe connection layout
- Overall length: 32 inches; body length: 28 inches
- Quiet-Flow SS product line focused on fit, flow, and OE-style sound
- Part Number 21410
Fitment Details
- Fits 2002-2009 Pontiac Montana, N/A, without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
- Fits 2007-2008 Chevrolet Uplander, N/A, without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
- Fits 2005-2007 Buick Terraza, N/A, without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
- Fits 2005-2007 Saturn Relay, N/A, Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
- Fits 2005-2006 Buick Terraza, N/A, Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
- Fits 2005-2006 Chevrolet Uplander, N/A, Premium; with Sport Package; Limited Lifetime Warranty; Quiet-Flow SS
- Fits 2005-2006 Pontiac Montana, N/A, Premium; with Sport Package; Limited Lifetime Warranty; Quiet-Flow SS
- Fits 2005-2006 Saturn Relay, N/A, Premium; with Sport Package; Limited Lifetime Warranty; Quiet-Flow SS
- Fits 2002-2004 Oldsmobile Silhouette, N/A, Premium; Limited Lifetime Warranty; Quiet-Flow SS
What This Muffler Helps Address
- Exhaust noise that has become louder due to a worn muffler
- Rust-related muffler deterioration on stainless-steel replacement applications
- Fitment issues when replacing an OE-style muffler on Pontiac Montana, Chevrolet Uplander, Buick Terraza, Saturn Relay, or Oldsmobile Silhouette
- Exhaust flow restriction caused by a damaged or internally failing muffler
- Sound quality changes after exhaust system wear or repair
Installation Notes and Tips
Confirm the inlet and outlet configuration before ordering: this muffler uses a 2.25-inch offset inlet and a 2.25-inch center outlet with pipe connections. For welded assemblies, replace all required parts in the system to maintain proper alignment and sealing. This part cross-references Anchor 2235 and 2571 for the same application.
Quality Assurance
Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are part of Walker’s Quiet-Flow SS line, which is positioned for precise fit, improved exhaust flow, and OE-style sound. Part Number 21410 is listed with limited lifetime warranty coverage in the fitment notes for the applicable vehicles.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2009 | Pontiac | Montana | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2008 | Chevrolet | Uplander | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2008 | Pontiac | Montana | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Buick | Terraza | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Chevrolet | Uplander | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Pontiac | Montana | — | — | 3.9L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2007 | Saturn | Relay | — | — | 3.9L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Buick | Terraza | — | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Buick | Terraza | — | AWD | 3.5L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Chevrolet | Uplander | — | FWD | 3.5L | V6 | 121.1" | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Pontiac | Montana | — | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Pontiac | Montana | — | — | 3.5L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Saturn | Relay | — | AWD | 3.5L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2006 | Saturn | Relay | — | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Buick | Terraza | — | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Buick | Terraza | — | AWD | 3.5L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Chevrolet | Uplander | — | FWD | 3.5L | V6 | 121.1" | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Pontiac | Montana | Base | FWD | 3.4L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Pontiac | Montana | SV6 | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Pontiac | Montana | SV6 | — | 3.5L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Saturn | Relay | — | AWD | 3.5L | V6 | — | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2005 | Saturn | Relay | — | FWD | 3.5L | V6 | — | N/A | Premium; with Sport Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2004 | Oldsmobile | Silhouette | — | FWD | 3.4L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2004 | Pontiac | Montana | — | FWD | 3.4L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Oldsmobile | Silhouette | — | FWD | 3.4L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2003 | Pontiac | Montana | — | FWD | 3.4L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Oldsmobile | Silhouette | — | FWD | 3.4L | V6 | — | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow SS |
| 2002 | Pontiac | Montana | — | FWD | 3.4L | V6 | — | N/A | without Sport Package; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| No rows match your filter. | |||||||||