FLOWMASTER AMERICAN THUNDER AGGRESSIVE TONE CHAMBERED MUFFLER EXHAUST SYSTEMS
Flowmaster’s American Thunder aggressive tone chambered muffler exhaust systems include mandrel-bent steel tubing and a chambered muffler that’s fine-tuned to deliver improved torque, horsepower and gas mileage, plus the moderately aggressive rumble you crave for your street machine. Flowmaster, known as ‘the exhaust technology company,’ is a leading manufacturer of performance exhaust systems, respected for their design, innovation and engineering.
- MADE IN USA
 - Offered in aluminized or stainless steel
 - Chambered muffler fine-tunes exhaust tone to moderately aggressive rumble
 - Mandrel-bent tubing allows for continuous airflow
 - Quick and easy installation
 - Direct fit by vehicle year, make and model
 - Proven to improve torque, throttle response, horsepower and fuel economy by rigorous dyno testing
 
