Product description
1998 Ford Mustang GT and Cobra with 4.6L engine. - Aggressive to moderate sound
Flowmaster American Thunder Cat-back Exhaust System
Enter Garage“Our American Thunder® exhaust system for 1998 Ford Mustang Gt and Cobra models with the 4.6L engine is a bolt-on emissions legal system fe...”
“1998 Ford Mustang GT and Cobra with 4.6L engine...”
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Supplier details checked 2026-09-23 · Test catalog
1998 Ford Mustang GT and Cobra with 4.6L engine. - Aggressive to moderate sound
Flowmaster American Thunder Cat-back Exhaust System
Includes Hangers and Hardware for an Easy Installation
Mandrel-bent 16-gauge Aluminized Steel Tubing
Super 44 Series Performance Mufflers
Dyno Tuned for Maximum Performance
Long Polished Stainless Steel Tips
Uses the Factory Hanger Locations
Covered by our 3-Year Warranty
Moderate Exterior Exhaust Tone
Quick and Easy Installation
Fits 1998 Ford Mustang GT and Cobra with 4.6L engine.
Flowmaster 98 Mustang 5.0/4.6L American Thunder Cat-Back Exhaust System
SYS 98 MUSTANG 5.0/4
98 MUSTANG 5046L A T
Our American Thunder® exhaust system for 1998 Ford Mustang Gt and Cobra models with the 4.6L engine is a bolt-on emissions legal system features free-flowing 2.50-inch aluminized steel mandrel-bent inlet pipes, aluminized steel tailpipes and uses the factory hanger locations for quick and easy installation. The kit comes with a pair of Super 44™ mufflers with that iconic deep and powerful sound. The system is then finished off with a pair of long 2.50-inch 304 stainless steel tips for that show car look. Comes with all necessary hardware and easy to follow instructions.
SYS 98 MUSTA