





🚗 Tune in to perfection with Walker – where performance meets precision!
The Walker 21398 Direct Fit Exhaust Resonator is a vehicle-specific, corrosion-resistant component designed for 2005-2009 Buick LaCrosse and Allure models. Featuring a 2.25" outlet diameter and OE-style sound tuning, it ensures factory-quality exhaust performance with durable construction and flexible installation options.








| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer | Tenneco (Dynomax, Walker, Thrush) |
| UPC | 086387213981 |
| Global Trade Identification Number | 00086387213981 |
| Model | Walker 21398 Resonator |
| Item Weight | 9 pounds |
| Product Dimensions | 37 x 6 x 6 inches |
| Item model number | 21398 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 21398 |
| Position | Center |
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