Flowmaster Mufflers 50 Series HD, Flowmaster - Exhaust, Mufflers & Tips - Mufflers

$20 Off Now! Enter MSALE at Checkout- Flowmaster 50 Series, Flowmaster HD Muffler. The stock muffler riding underneath your high-horsepower truck is holding back power, torque and throaty tone. Swap it out for a Flowmaster 50 Series HD Muffler, and unleash the beast beneath your hood! Specifically made for the dominating engines of modified trucks, turbo diesels and Hemis, the Flowmaster 50 Series HD turns your favorite sled into a dominating road beast with the famous Flowmaster aggressive tone. It puts big horsepower at the pedal for towing, hauling, or just cruisin'. The Flowmaster 50 Series HD also boasts a larger chamber size, designed to handle large engine loads. It also reduces engine compartment heat by as much as 200°, extending the life of critical engine parts. Each Flowmaster 50 Series HD Muffler is built with top-quality 16-gauge aluminized steel for corrosion resistance and fully mig-welded for maximum durability. Best yet, your Flowmaster 50 Series HD Muffler boasts a 3-year warranty. Flowmaster 50 Series, Flowmaster HD Muffler. Exhaust, Mufflers & Tips, Universal Mufflers.