Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips (24-26 Mustang GT w/ Active Exhaust, Dark Horse)Find parts that fit my vehicle
Item 438420
Sale
On Sale
-13% $1,529.96 each Was $1,749.95
Military, Medical & First Responders
$76.50 Available in AM Cash Rewards.
Confirm Eligibility
Confirm Eligibility
CONFIRM THIS FITS YOUR VEHICLE!
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Max Increases Of Up To 17 Hp And 17 Lb-Ft Over The Stock Exhaust At The Rear Wheels
- Outlaw Series Performance Muffler Offers A Deep Powerful Sound And Increased Performance
- 409 Stainless Steel Construction Delivers Extra Durability And Improved Long-Term Corrosion Resistance
- Uses Factory Hanger Locations For Easy Installation
- 3.00-Inch 16-Gauge Mandrel Bent Stainless Steel Tubing Helps Maintain Maximum Exhaust Flow For Better Power
- Includes All Necessary Hardware For An At Home Installation
- Quad 4.00-Inch Polished Stainless Steel Tips Add A Custom Look
- Lifetime Limited Warranty
- Fits 2024-2026 Mustang GT w/ Active Exhaust and Dark Horse
| Brand | Flowmaster |
| Exhaust System Type | Axle-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 3.00 Inch |
| Exhaust Loudness | Aggressive |
Description
Performance Upgrade. The Flowmaster Outlaw Axle-Back Exhaust System with Polished Tips enhances exhaust flow and delivers a deep, aggressive tone. It is designed to boost horsepower and torque, making it ideal for enthusiasts seeking both sound and performance improvements.
Construction and Appearance. Crafted from durable 409 stainless steel with 3.00-inch mandrel bent tubing, the system ensures long-lasting corrosion resistance and optimal exhaust flow. The quad 4.00-inch polished stainless steel tips provide a striking, custom appearance to complement the vehicle's design.
Installation. This axle-back system installs using factory hanger locations, allowing for a straightforward, bolt-on installation with no drilling required. All necessary hardware is included for a seamless at-home installation experience.
Warranty. Backed by a lifetime limited warranty, this exhaust system offers peace of mind regarding quality and durability.
Application. Specifically designed to fit the 2024-2026 Mustang GT with Active Exhaust and the Dark Horse submodel, ensuring precise fitment and compatibility.
Flowmaster 818164
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Rear Axle-Back Exhaust
- (2) Mufflers
- (2) Tips
- Clamps
Tech Guides:
- What Are the Best Mustang Exhaust Systems for Sound and Performance?
- Which Ford Mustang Axle-Back Exhaust Fits Your Sound Profile?
- What You Need To Upgrade Your Mustang Exhaust System
- What are the Benefits of Aftermarket Exhaust Systems
- Cat-Back vs Axle-Back Exhaust
- Does Upgrading an Exhaust Increase Horsepower?
- Best Axle-Back Exhaust for Your Ford Mustang
- What Is Active Exhaust? Benefits, Modes & Upgrade Guide
- How to Improve Your Car's Exhaust Sound
- What is the Best Metal for Aftermarket Exhaust Systems
- Corsa Extreme vs. Borla Atak for Mustang
- Do Exhaust Systems Affect Fuel Efficiency?
- The Best Exhaust Systems for Maximum Horsepower Gains
- Top 5 Loudest Exhaust Systems for Your Mustang
- What are the Performance Benefits of Upgrading to a Cat-Back Exhaust
- 2024 Mustang Exhaust Guide
4.8
Customer Reviews (500+)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Mustang
- Dark Horse - 24, 25, 26
- GT - 24, 25, 26
