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The WALKER 21853 Resonator and Pipe Assembly is engineered as a direct-fit, OE-style solution for restoring factory exhaust tone, flow characteristics, and system performance on select Chevrolet Malibu and Malibu Limited models. Constructed from durable aluminized steel, this assembly resists corrosion while delivering long service life.
Designed with precise pipe routing, OE-style brackets, hardware, and flanges, the 21853 installs quickly and accurately, requiring no custom fabrication in most applications. OE-style louvered tubes (where equipped) help reduce radiated noise for a smooth, factory-correct exhaust sound.
With strong reinforced construction and excellent acoustic performance, this resonator assembly restores original exhaust quality and system integrity.
Direct-Fit Design with OE-style pipe routing for fast, accurate installation
Durable Aluminized Steel Construction for improved corrosion resistance
Factory-Style Acoustic Tuning using OE-style louvered tubes
Thick OE-Style Flanges & Brackets provide long-lasting strength
Engineered to Match Original Exhaust Sound & Flow
Premium-Grade Assembly designed for consistent, reliable performance
| Specification | Detail |
|---|---|
| Shape | Round |
| Finish | Aluminized |
| Body Material | Steel |
| Pipe Material | Steel |
| Body 1 Shape | Round |
| Inlet Type | 2 Bolt Welded Flange |
| Outlet Type | Pipe Connection |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| Outlet Inside Diameter | 2.250 in |
| Body Height | 4.000 in |
| Body Width | 4.000 in |
| Body Length | 24.250 in |
| Muffler Body Length | 24.250 in |
| Overall Length | 31.250 in |
| Grade Type | Premium |
| Universal or Specific Fit | Specific |
(One assembly required per vehicle unless otherwise noted.)
2.4L L4 (2384cc / 145 cid) → 2013–2014
2.5L L4 (2457cc / 153 cid) → 2013–2015
2.5L L4 (2457cc / 153 cid) → 2016
Direct-fit OE-style assembly ensures simple installation
May require new gaskets or clamps for optimal sealing
Designed to restore original exhaust backpressure and acoustic quality
Built with aluminized steel for extended service life
Ideal replacement for worn or damaged resonators causing noise or vibrations
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
