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
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Find Cat-Back Exhaust for your Mustang
Flowmaster American Thunder Cat-Back Exhaust System; Stainless Steel (87-93 Mustang GT)Find parts that fit my vehicle
Item 18447
$0.00
494 Reviews
2 Answers
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Aggressive Flowmaster Sound
- Super 44 Series Mufflers
- Mandrel-Bent Tubing
- 409 Stainless Steel Construction
- Fits 1987-1993 GT Mustangs
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust System Tip Finish | Raw |
| Exhaust Loudness | Moderate |
Description
Flowmaster Sound. Give your Mustang that unmistakeable Flowmaster sound with a nice power boost by installing a American Thunder catback Exhaust system. Featuring mandrel bent tubing this Flowmaster system will improve exhaust flow for an increase in power, and the included Super 44 Series Mufflers will improve your exhausts sound for a deeper throatier muscle car exhaust note.
Stainless Steel Construction. Constructed from mandrel bent 2.5" 409 stainless steel tubing for it's corrosion resistant properties the Flowmaster American Thunder catback features Super 44 Series chambered mufflers for that classic muscle car sound.
Application. This Flowmaster American Thunder stainless steel Cat-Back exhaust system is designed specifically for use on the 1987 to 1993 GT Mustangs for great looks and great sound.
Stainless Steel Construction. Constructed from mandrel bent 2.5" 409 stainless steel tubing for it's corrosion resistant properties the Flowmaster American Thunder catback features Super 44 Series chambered mufflers for that classic muscle car sound.
Application. This Flowmaster American Thunder stainless steel Cat-Back exhaust system is designed specifically for use on the 1987 to 1993 GT Mustangs for great looks and great sound.
Flowmaster 817116
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Muffler assemblies
- (2) Over axle pipes
- (2) Exhaust Tips
- (2) Clamps
Tech Guides:
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4.7
Customer Reviews (494)
Questions & Answers (2)
Will It Fit My Mustang
- GT - 87, 88, 89, 90, 91, 92, 93
Fits GT Only
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