More Power in Every Purchase - Join the Summit Rewards Program Today!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center
1-800-230-3030

Call Us
My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
1-800-230-3030 1-800-230-3030
New Products
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

More Power in Every Purchase - Join the Summit Rewards Program Today!

Stay Cool With SUMMER SALE Savings!

Filters

In Stock
- In Stock Items. Ships Today. (1)
Department
- Exhaust
- Ignitions & Electrical
Part Type
- Mufflers (1)
- Wiring Harnesses (1)
Brand
- Summit Racing (1)
- Walker Exhaust (1)
Make/Model
Make/Engine
Price Range
- $50-$100 (1)
- $250-$500 (1)
Filter Options
- Made In USA (1)
Savings Central

Selected Filters

Filter Results by Vehicle

Loading...

Home
Product Results

Availability

- In Stock Items. Ships Today. (1)
Filters
Department
- Exhaust
- Ignitions & Electrical
Part Type
- Mufflers (1)
- Wiring Harnesses (1)
Brand
- Summit Racing (1)
- Walker Exhaust (1)
Make/Model
Make/Engine
Price Range
- $50-$100 (1)
- $250-$500 (1)
Filter Options
- Made In USA (1)

2 Results Found For "21478"

Individual Parts

Part Groups

Results 1 - 2 of 2

Walker Quiet-Flow SS 409 Stainless Steel 2.25 Inch Muffler 21478

Walker Quiet-Flow SS 409 Stainless Steel 2.25 Inch Muffler 21478

Walker Quiet-Flow SS 409 Stainless Steel 2.25 Inch Muffler 21478

Walker Quiet-Flow SS Muffler

Part Number: WLK-21478

Not Yet Reviewed

...Loading

BUILD IT WITH SUMMIT!

Filter my search results to see Summit Racing brand parts.

Summit Racing™ Reproduction Wiring Harnesses SUM-RP21478

Summit Racing™ Reproduction Wiring Harnesses SUM-RP21478

Wiring Harnesses, Dash Wiring, Dual Headlights, Front Grille Extension, Harness, OEM Replacement, Reproduction,Chevy, Each

Part Number: SUM-RP21478

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

1

Page 1 of 1

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2025 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header