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“Flowmaster 99-04 Mustang LX 3.8L V6 Force II Cat-Back Exhaust System”
“Fits 1999-2004 Ford Mustang LX with a 3.8L engine...”
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Supplier details checked 2026-09-23 · Test catalog
1999-2004 Ford Mustang LX with 3.8L engine. - Moderate sound
Flowmaster Force II Cat-back Exhaust System
Includes Hangers and Hardware for an Easy Installation
Connects After Factory Catalytic Converter
Full Aluminized Steel Construction
Polished 304 Stainless Steel Tips
Uses the Factory Hanger Locations
Moderate Exterior Exhaust Tone
Mandrel-bent 16 Gauge Tubing
Scavenger Y-pipe Assembly
Super 40 Series Mufflers
3-year Limited Warranty
Flowmaster Quality
Fits 1999-2004 Ford Mustang LX with a 3.8L engine. Fits both coupes and convertibles.
Flowmaster 99-04 Mustang LX 3.8L V6 Force II Cat-Back Exhaust System
9904 MUSTANG LX 38L V6 FII
SYS 99-04 MUSTANG LX
The Force II® system is for the person who is looking for a complete Cat-back dual exhaust system with a milder exhaust tone. With easy fit in mind, this exhaust system features 2.50-inch mandrel-bent aluminized steel tubing and a pair of Super 40® Series mufflers for a mild but deep tone. The custom dual tailpipes are finished off with polished stainless steel tips and gives your car the look of a true dual exhaust system that mimics the look of a Mustang GT. The Force II system delivers a moderate exterior tone and mild to moderate interior tone. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for an easy installation you can do at home. Notes: Fits both coupes and convertibles.
SYS 99-04 MU
