15% OFF ORDERS $35+ | 20% OFF $100+ | ONLINE ONLY
USE CODE
READY2GO
*
Exclusions apply.
Advance Auto Parts Logo
Choose a Store
  • Shop All
  • Replacement Parts
  • Performance Parts
  • Accessories
  • Oil & Fluids
  • Special Offers
  • Advance Rewards
  • Advice & How-Tos
  • Project Guides
  • FAQ / Help Desk
Loading...
Share
broken-thumbnail-image
broke-image

Flowmaster Inc. Outlaw Extreme Cat-back Exhaust System

No Reviews
Part # 817708
limited lifetime warranty
Loading...
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. 817708
Warranty Details (Limited Lifetime Warranty)
Introducing the Flowmaster Outlaw Extreme cat-back exhaust system for 2009-2021 Toyota Tundra trucks with either the 4.6L, 4.7L or 5.7L engine is perfect for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on emissions-legal system features all stainless steel construction, a specially designed dual inlet Outlaw muffler flowing into short 3.00-inch turndown tailpipe for maximum performance and a deep aggressive sound. If you want to get noticed, this is the system for you. Includes all necessary parts and hardware for a fast and easy at home installation. Notes: Fits 2/4 wheel drives with 145-inch Wheelbase models only. Does Not fit Standard cab/short bed or Double cab/long bed models and only fits 2009 models built after 08/2008.

Product Features:
  • Specially Designed Outlaw Series Performance Muffler
  • Deep Aggressive Interior and Exterior Tone
  • Mandrel-bent Stainless Steel Construction
  • Race Proven Outlaw Muffler Technology
  • Extreme Sound for Extreme Lifestyles
  • Uses the Factory Hanger Locations
  • Limited Warranty
  • Quick & Easy Installation
Specifications
Brand:
Flowmaster

Catalytic Converter Included:
No

Category:
Exhaust

Clamping Type:
Flat Band

Clamps Included:
Yes

Exhaust Series:
Outlaw Extreme

Exhaust Tip Cut:
Square

Exhaust Tip Diameter:
3.00 in

Exhaust Tip Edge:
Cut

Exhaust Tip Intercooled:
No

Exhaust Tip Length:
11.00 in

Exhaust Tip Material:
409 Stainless Steel

Exhaust Tip Quantity:
1

Exhaust Tip Shape:
Round

Exit Style:
Single Out Dump

Finish:
Natural

Gasket Or Seal Included:
No

Grade Type:
Performance

Hangers Included:
Yes

Inlet Type:
Clamp-On

Main Piping Diameter:
3.00 in

Mounting Bracket Included:
No

Muffler Body Height:
4.00 in

Muffler Body Length:
11.00 in

Muffler Body Material:
409 Stainless Steel

Muffler Body Shape:
Oval

Muffler Body Width:
9.50 in

Muffler Finish:
Black High-Temperature Paint Finish

Muffler Flanged Inlet:
No

Muffler Flanged Outlet:
No

Muffler Inlet Connection:
Slip-Fit

Muffler Inlet Inside Diameter:
2.25 in

Muffler Inlet Outside Diameter:
2.38 in

Muffler Outlet Connection:
Slip-Fit

Muffler Outlet Quantity:
1

Muffler Quantity:
1

Muffler Type:
Chambered

Pipe Material:
409 Stainless Steel

Product Type:
Exhaust System

Spring Bolt Kit Included:
No

Sub Category:
Exhaust and Tail Pipes

Tail Pipe Outlet Outside Diameter:
3.00 in

Tail Pipe Quantity:
1

Tail Pipe Tapered Outlet:
No

Type:
Cat-Back

Valve Included:
No

Valve Type:
Not Applicable
Loading...
Loading...Loading...Loading...Loading...Loading...
0 out of 5
0 Customer Reviews
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
© 2026 Advance Auto Parts
Privacy Policy
Terms of Use
Site Map
ADVANCING A WORLD IN MOTION®