Your high-horsepower truck needs a beefy, efficient muffler to put out all the power and torque hiding under the engine. Don't let your restricting stock muffler hold your engine back - bulk up your rig with the Flowmaster 50 Series HD Muffler. The Flowmaster Mufflers 50 Series HD is specifically designed to provide your truck with big boosts in horsepower, torque, and exhaust tone.

The Flowmaster 50 Series HD Muffler is engineered to the demands of turbo diesel trucks, modified engines, and Hemis. Its larger chamber size takes on the heavier engine loads of trucks, and it lowers heat in the engine compartment by up to 200 degrees. You also get the famous Flowmaster tone, which is bold and aggressive without annoying interior resonance.

Flowmaster Mufflers builds your 50 Series HD Muffler to last, with Stainless or top-shelf 16-gauge aluminized steel and fully mig-welded construction for durability and corrosion resistance. Your Flowmaster 50 Series HD Muffler is backed by a 3-Year Warranty.