Outlaw Series Race Muffler - short - 4.00 Center In / 4.00 Center Out -Aggressive
Hover over the image to zoom in
Share this:
This item is not eligible for further promotional discounts, coupons or special offers.

Flowmaster Inc. Outlaw Series Race Muffler - short - 4.00 Center In / 4.00 Center Out -Aggressive

Part No. 15440S Warranty Details  
Quantity  Add to Cart

Fit of this part varies by vehicle & equipment specs Type of Fit

Outlaw mufflers are designed to be connected directly to the header collectors or can be added into an existing exhaust system. Recommended for racing applications where a muffler is required without a set decibel limit to be met. Please call the Flowmaster tech-line for assistance with specific dB requirements and applications.
Back To Top
Body Material:Aluminized Steel
Body Width:5 in
Case Length:7 in
Case Shape:Round Case
Inlet Diameter:4 in
Inlet Location:Center
Outlet Diameter:4 in
Outlet Location:Center
Shape:Round Case

Do you have questions about this product?


Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

1 Question | 1 Answer
Displaying question 1
  • Q:

    does the outlaw race muffler pop and back fire like glass packs and cherrybombs?
    Asked on 9/7/2012 by s-dub from levelland tx

    1 answer



      This Flowmaster Inc. Muffler Outlaw Race (Part No. 15440S) is specifically designed for racing. It feature a round case that allows for installation in limited-space applications. The mufflers' design incorporates sound attenuation rings without the need for packing materials. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

      Answered on 9/8/2012 by Steve from AAP
Displaying question 1

Do you have a question about this product? 

Check out the specials in our monthly flyer.
Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.