---
product_id: 22371474
title: "Walker Quiet-Flow 21856 Direct Fit Exhaust Muffler 2.5\" Inlet (ID) 2.5\" Outlet (ID) for Cadillac DeVille"
brand: "walker"
price: "KD 45.16"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/22371474-walker-quiet-flow-21856-direct-fit-exhaust-muffler-2-5
store_origin: KW
region: Kuwait
---

# OE-style acoustic noise reduction 2.5" inlet/outlet direct fit Limited lifetime warranty Walker Quiet-Flow 21856 Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) for Cadillac DeVille

**Brand:** walker
**Price:** KD 45.16
**Availability:** ✅ In Stock

## Summary

> 🔊 Elevate your ride’s sound with precision and peace of mind!

## Quick Answers

- **What is this?** Walker Quiet-Flow 21856 Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) for Cadillac DeVille by walker
- **How much does it cost?** KD 45.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/22371474-walker-quiet-flow-21856-direct-fit-exhaust-muffler-2-5)

## Best For

- walker enthusiasts

## Why This Product

- Trusted walker brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Tested & Trusted:** Acoustic and flow validated for consistent OE-quality performance
- • **Precision Direct Fit:** Bolt-on installation with OE-style hangers—no welding needed
- • **Confidence Guaranteed:** Backed by Walker’s limited lifetime warranty and 90-day Safe & Sound promise
- • **Durability Engineered:** Internal drainage and spun-locked heads resist rust and distortion
- • **Superior Acoustic Control:** Louvered tubes and domed heads deliver premium factory sound

## Overview

The Walker Quiet-Flow 21856 is a direct-fit exhaust muffler designed specifically for Cadillac DeVille and Calais models from 1968-1976. Featuring 2.5" inlet and outlet connections, it offers OE-style acoustic control with louvered tubes and domed heads to reduce noise while enhancing flow. Built for durability with internal drainage and spun-locked heads, it ensures long-lasting rust resistance and minimal distortion. Easy to install with bolt-on OE-style hangers, it comes backed by a limited lifetime warranty and a 90-day satisfaction guarantee, making it a reliable upgrade for classic Cadillac owners seeking authentic sound and performance.

## Description

Walker Quiet-Flow 21856 Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) for Cadillac DeVille

## Features

- COMPATIBILITY – Fits 1968-1968 Cadillac Calais; 1969-1969 Cadillac Calais; 1970-1970 Cadillac Calais; 1975-1975 Cadillac Calais; 1976-1976 Cadillac Calais; 1968-1968 Cadillac DeVille; 1969-1969 Cadillac DeVille; 1970-1970 Cadillac DeVille; 1975-1975 Cadil
- GET THE RIGHT PART -- Before purchasing, please check the “desertcart Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “desertcart Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
- EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding
- INHIBITS RUST -- Internal drainage system helps reduce moisture collection
- BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
- PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
- DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on
- BUY WITH CONFIDENCE -- Comes with Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Walker |
| Item dimensions L x W x H | 24.8 x 10.8 x 5.2 inches |
| Vehicle Service Type | Car, Truck |
| Shape | Oval |
| Inlet Connection Size | 2.5 Inches |
| UPC | 086387218566 |
| Manufacturer | Tenneco (Dynomax, Walker, Thrush) |
| Global Trade Identification Number | 00086387218566 |
| Automotive Fit Type | Vehicle Specific Fit |
| Model | Walker Quiet-Flow 21856 Muffler |
| Item Weight | 4.8 pounds |
| Product Dimensions | 24.8 x 10.8 x 5.2 inches |
| Item model number | 21856 |
| Manufacturer Part Number | 21856 |
| Position | Center |

## Product Details

- **Brand:** Walker
- **Material:** Stainless Steel
- **Item dimensions L x W x H:** 24.8 x 10.8 x 5.2 inches
- **Vehicle Service Type:** Car, Truck
- **Item Weight:** 4.8 Pounds

## Images

![Walker Quiet-Flow 21856 Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) for Cadillac DeVille - Image 1](https://m.media-amazon.com/images/I/51uwlP01g8L.jpg)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.com.kw/products/22371474-walker-quiet-flow-21856-direct-fit-exhaust-muffler-2-5](https://www.desertcart.com.kw/products/22371474-walker-quiet-flow-21856-direct-fit-exhaust-muffler-2-5)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-06*