15% OFF ORDERS $35+ | 20% OFF $100+ | ONLINE ONLY
USE CODE
HOLIDAYSAVE
*
Exclusions apply.
Advance Auto Parts Logo
Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Speed Perks
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Loading...
Share
Product thumb
Product thumb
Product main large
Loading...
How Would You Like To Get This Item?

Store Pickup

Loading...Loading...Loading...

Same Day Home Delivery

Loading...Loading...Loading...

Home Delivery

Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...

Product Information

Product Details
Part No. 17273
Warranty Details (LIMITED LIFETIME REPLACEMENT)
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our excl usive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The 'Pure Unadulterated POWER' of DynoMax Ultra Flo SS Polished mufflers are backed by a Limited Warranty and exclusive 90-Day Performance & Sound Guarantee.

Product Features:
  • Stainless steel construction for lifelong protection
  • Polished finish for a show quality shine
  • Dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Specifications
Body Height:
5.500 in

Body Length:
23.000 in

Body Material:
Stainless Steel

Body Width:
11.000 in

Finish:
Natural

Grade Type:
Performance

Hanger Included:
No

Inlet Inside Diameter:
3.000 in

Inlet Location:
Center

Inlet Quantity:
1

Inlet Type:
Pipe Connection

Muffler Type:
Absorption

Outlet Inside Diameter:
2.500 in

Outlet Location:
Center

Outlet Quantity:
2

Outlet Type:
Pipe Connection

Overall Length:
29.000 in

Part Description:
Muffler

Reversible:
No

Shape:
Oval

Tunable:
No

Universal Or Specific Fit:
Specific
Loading...
Loading...Loading...Loading...Loading...Loading...
Loading...
Loading...
Loading...Loading...Loading...Loading...Loading...
No results
Loading...
Loading...Loading...Loading...Loading...Loading...
Feedback
Be The First To Know About Deals And Promotions.
Plus, create an account to receive $5 off of $20 or more.
TOP REPLACEMENT PARTS
Brake Pads & Shoes
Brake Rotors
Alternators
Water Pumps
Starters
Brake Calipers

Order Lookup

Help Desk

Store Locator

In Store Services

Mobile App

CUSTOMER SUPPORT
Accessibility Statement
Contact Us
Forgot Password
Help Desk
In Store Pickup
In Store Services
Order Tracking
Recall Information
Return Policy
Same Day Delivery
© 2025 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®