Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Flowmaster FlowFX Cat-Back Exhaust System (1986 5.0L Mustang; 87-93 5.0L Mustang LX)Find parts that fit my vehicle
Item 425939
Our Price
$727.95 each
Military, Medical & First Responders
$36.40 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
- Flow FX “Straight-Through” Performance Mufflers Deliver A Deep Performance Tone And Increase Power
- Mandrel Bent 16-Gauge 409 Stainless Steel Pipes Increase Exhaust Pulse Velocity For More Power And Offer Excellent Corrosion Resistance
- Classic 5.0L Polished Stainless Steel Tailpipe With Flowmaster Logo Laser Etched On The Side
- Includes Hangers And Hardware For At-Home Installation
- Uses Factory Hanger Locations For Easy Installation Without Drilling
- Provides An Increase Of Approximately 5 HP And 4 FT.LB Over Stock Exhaust
- Covered By Lifetime Limited Warranty
- Fits 1986 5.0L Mustang; 1987-1993 5.0L Mustang LX
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 2.50 Inch |
| Exhaust Loudness | Aggressive |
Description
High-Performance Exhaust System. The Flowmaster Flow FX Cat-Back Exhaust System enhances your vehicle’s performance by improving exhaust flow and delivering a deep, powerful tone. Designed specifically for the 1986-1993 Ford Mustang LX 5.0L, it provides increased horsepower and torque while maintaining a mild interior sound level.
Construction And Appearance. Crafted from durable 409 stainless steel with mandrel-bent 16-gauge tubing, this exhaust system offers excellent corrosion resistance and optimal exhaust pulse velocity. The polished stainless steel tailpipes feature a classic 5.0L appearance with the Flowmaster logo laser etched for added style, finished in natural silver tones.
Installation. This system uses factory hanger locations and includes all necessary hardware, ensuring a straightforward installation with no drilling required. Designed for a direct fit, it can be installed at home with basic tools.
Warranty. Backed by a lifetime limited warranty for long-term peace of mind.
Application. Fits 1986 5.0L Mustang and 1987-1993 5.0L Mustang LX models as designed, without exceptions noted.
Flowmaster 717213
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) Cat-Black Exhaust
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 Mustang Cat-Back Exhaust Systems: Borla vs. Corsa vs. Magnaflow vs. Flowmaster Compared
- 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
4.6
Customer Reviews (32)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Mustang
- LX - 87, 88, 89, 90, 91, 92, 93
