Experience the legendary sound of Flowmaster. Shop performance exhaust systems, mufflers, headers, and catalytic converters designed for power and aggressive tone.

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Flow FX Chambered Muffler – 2.50” Offset In / 2.50” Center Out – Moderate Sound – Stainless Steel – Affordable Performance for Modern Trucks, Muscle Cars & Daily Drivers (71226)

Our Flowmaster mufflers feature innovative designs like the patented scavenging muffler technology that increases engine horsepower, torque, and mileage, while also offering a range of sound levels.

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications.

Get the best Flowmaster Muffler products at the right price. Order online or pickup at your local AutoZone store.

Flowmaster 40 Series Exhaust Muffler - 43043 Part #: 43043 Line: FLM 3 Year Limited Warranty Finish: Aluminized Inlet Location: Offset Inlet Type: Clamp-On, Weld-On Show More Compare

Flowmaster is a legendary name in high-performance exhaust systems and mufflers, trusted by car enthusiasts and performance seekers alike. Known for delivering that signature deep, aggressive …

Flowmaster is a leading brand in the automotive aftermarket specializing in high performance exhaust systems and mufflers. Their products are engineered to improve power and performance of all types …

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