Summit Racing SpeedCard - learn how to get 15% back up to $150

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center

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
New Products
Shop by Make/Model
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

Summit Racing SpeedCard - learn how to get 15% back up to $150

Save Now on Select Suspension Products!

Filters

In Stock
- In Stock Items. Ships Today. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Drivetrain
- 4WD (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- AWD (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- RWD (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Diameter (in.)
- 3.00 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2.75 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Diameter (in.)
- 2.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Quantity
- 2 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Location
- Offset (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Center (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
In Stock
Savings Central
- On Sale (3)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Exhaust
Mufflers
Product Results

Availability

- In Stock Items. Ships Today. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (4) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Make/Model
Make/Engine
Drivetrain
- 4WD (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- AWD (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- RWD (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Diameter (in.)
- 3.00 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2.75 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3.50 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Diameter (in.)
- 2.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3.50 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Quantity
- 2 (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 1 (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outlet Quantity
- 1 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 2 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Inlet Location
- Offset (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Center (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Savings Central
- On Sale (3)

Flowmaster

Flowmaster High-Flow Performance Mufflers

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing...

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting...

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting durability, Flowmaster mufflers are available in a wide range of inlet and outlet locations, dimensions, and case configurations. Shop the entire selection of Flowmaster performance mufflers at Summit Racing today.

Showing In Stock Items. Show All 4 Items.

Individual Parts

Part Groups

Results 1 - 4 of 4

Flowmaster 50 Series Big Block Steel 3.5 Inch Muffler 53553

Flowmaster 50 Series Big Block Steel 3.5 Inch Muffler 53553

Flowmaster 50 Series Big Block Steel 3.5 Inch Muffler 53553

Muffler, Big Block 50 Series, 3 1/2 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-53553

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

Muffler, Big Block 50 Series, Dual 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530504

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Flowmaster 50 Series Big Block Steel 2.75 Inch Muffler 527504

Flowmaster 50 Series Big Block Steel 2.75 Inch Muffler 527504

Flowmaster 50 Series Big Block Steel 2.75 Inch Muffler 527504

Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-527504

5.0 out of 5 stars ( 2 )

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
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header