

The 50 Series HD Heavy Duty Muffler is appropriately named, a tough customer just like the trucks it was designed for.įlowmaster 50 Series HD Direct Fit muffler 817568 installed on 2009 to 2016 Ram Express - … As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition! Flowmaster 50 series HD, Magnaflow y pipe and resonator delete. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. With 4.00-inch internal components and large case size, these mufflers help to significantly increase mileage, torque, and horsepower while greatly improving towing power acceleration. The 50 Series Heavy Duty is great for all gas and diesel applications, and late-model trucks used in the most extreme working conditions.

