2024-2025
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) 2 Hours
Difficulty Level:
Simple installation for anyone.
Installation Guides
FREE 1 to 3-Day Delivery on Orders $119+ Details
Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Find Cat-Back Exhaust for your Mustang
Flowmaster American Thunder Cat-Back Exhaust System (99-04 Mustang Cobra)Find parts that fit my vehicle
Item 18409
$0.00
458 Reviews
3 Answers
Our Price
$825.95
Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
Save with Open Box
From $495.57
Will this fit your Vehicle?
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Add Local Installation
$299.00
Frequently Bought Together
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Aggressive Flowmaster Sound.
- 40 Series Mufflers.
- 3" Polished Stainless Steel Tips.
- Mandrel-Bent Tubing.
- Durable Aluminized Steel Construction.
- Fits 1999-2004 SVT Cobra Mustangs.
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust Loudness | Moderate |
Description
Flowmaster Sound .The Flowmaster American Thunder Cat-Back exhaust system with its mandrel bent tubing will greatly improve your 1999 to 2004 SVT Cobra Mustangs exhaust flow for an increase in power, and their included 40 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.
Quality Construction. Constructed from mandrel bent 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster American Thunder Cat-Back features their 40 Series chambered mufflers with 3.0 " diameter OEM style polished stainless steel tips for great muscle car looks and sound.
Fitment. This Flowmaster American Thunder Cat-Back exhaust system is specifically designed to fit the 1999 to 2004 SVT Cobra Mustangs with Independent Rear Suspension (IRS) for both impressive looks and sound.
Quality Construction. Constructed from mandrel bent 2.5" 16 gauge aluminized steel tubing for it's corrosion resistant properties the Flowmaster American Thunder Cat-Back features their 40 Series chambered mufflers with 3.0 " diameter OEM style polished stainless steel tips for great muscle car looks and sound.
Fitment. This Flowmaster American Thunder Cat-Back exhaust system is specifically designed to fit the 1999 to 2004 SVT Cobra Mustangs with Independent Rear Suspension (IRS) for both impressive looks and sound.
Flowmaster 17248
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
Hardware included:- (2) Clamps
- Installation Instructions
Tech Guides:
4.7
Customer Reviews (458)
Questions & Answers (3)
Will It Fit My Mustang
- Cobra - 99, 01, 03, 04
