Chevrolet, Ford, GMC, Ram… (5.4, 6.0, 6.2, 6.4, 6.5, 6.7, 6.8) Exhaust Muffler

  • Deep, moderate tone with minimal interior resonance — aggressive presence without cabin drone
  • Rugged 409S stainless steel construction with a high-temperature paint finish for long service life
  • 3.50″ inlet and outlet flow freely to support improved performance, throttle response, and mileage
  • Purpose-built 50 Series HD design for heavy-duty gas and diesel trucks, including modified engines
  • Universal fitment for flexible integration into custom exhaust builds
  • Backed by Flowmaster’s Lifetime Limited Warranty

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$297.74

Out of stock
SKU 853558

Description

Overview

The Flowmaster 50 Series HD Exhaust Muffler is engineered for the demands of today’s heavy-duty gas and diesel trucks. Built for owners who push their rigs hard, this performance exhaust muffler delivers improved performance, sharper throttle response, and better mileage while producing a deep, moderate tone. If you’re ready to shop for exhaust hardware that balances aggressive sound with everyday drivability, the 50 Series HD is a proven choice from one of the most trusted names in mufflers.

Constructed from durable 409S stainless steel and finished with high-temperature paint, this muffler is designed to stand up to the heat, vibration, and long service life expected from a serious car exhaust and truck exhaust component. With a 3.50″ inlet and outlet, it flows freely to help your exhaust system breathe, making it especially well suited to trucks with modified engines.

Key Benefits

Where a straight-through design can drone, the 50 HD is tuned to deliver a deep, moderate tone with minimal interior resonance. That means you get the assertive exhaust note enthusiasts want without the fatiguing cabin drone on the highway. As part of a broader exhaust automobile upgrade, it pairs cleanly with the rest of your setup and helps unlock the performance your engine is capable of.

  • Flowmaster 50 Series HD muffler built for heavy-duty gas and diesel trucks
  • Durable 409S stainless steel construction with high-temperature paint finish
  • 3.50″ inlet and 3.50″ outlet for strong flow
  • Deep, moderate sound level with minimal interior resonance
  • Improved performance, throttle response, and mileage
  • Covered by Flowmaster’s Lifetime Limited Warranty

Sound & Performance

The moderate sound level makes this magnaflow-class competitor from Flowmaster ideal for drivers who want more presence than a stock muffler without stepping into all-out volume. Whether you’re comparing a flowmaster muffler against other mufflers or planning a complete exhaust upgrade, the 50 Series HD is purpose-built for diesel vehicle applications and trucks running modified powertrains.

Fitment & Configuration

This muffler carries a universal fitment with a 3.50″ inlet diameter, giving fabricators and DIY installers flexibility to integrate it into a wide range of exhaust builds. It is designed for diesel vehicle types and carries an emission code of 5. Please note that exhaust tips are sold separately, so you can select the tip that best matches your desired look and setup. A California Proposition 65 warning applies to this product.

Backed by Flowmaster’s Lifetime Limited Warranty, the 50 Series HD is a confident, long-term addition to any performance exhaust project. Choose the 50 Series HD when you want proven flow, controlled resonance, and a deep, moderate tone for your heavy-duty gas or diesel truck.

Specification

Brand

Compatibility

2001-2002 Chevrolet Express 3500 LS Base : 395 & Cylinder: 8 & Block: V), 2001-2007 Chevrolet Express 2500 Base LS LT : 395, 364 & Cylinder: 8 & Block: V), 2001-2010 GMC Savana 2500 Base SLT : 395, 364 & Cylinder: 8 & Block: V), 2001-2010 GMC Savana 3500 SLT Base : 395, 364 & Cylinder: 8 & Block: V), 2004 Chevrolet Silverado 3500 WT LS Base LT : 364 & Cylinder: 8 & Block: V), 2007-2009 GMC Sierra 1500 SLE SLT Hybrid : 364 & Cylinder: 8 & Block: V), 2007-2010 GMC Sierra 2500 HD SLT SLE WT : 364 & Cylinder: 8 & Block: V), 2008-2009 Chevrolet Silverado 1500 LT LTZ : 364 & Cylinder: 8 & Block: V), 2008-2010 Chevrolet Silverado 2500 HD LT WT LTZ : 364 & Cylinder: 8 & Block: V), 2008-2014 Ford F-250 Super Duty XL Lariat King Ranch XLT Harley-Davidson Edition FX4 Cabela's Platinum : 330, 391, 415, 379, 406 & Cylinder: 8, 10 & Block: V), 2008-2014 Ford F-350 Super Duty XL Harley-Davidson Edition Lariat XLT King Ranch FX4 Cabela's Platinum : 330, 391, 415, 379, 406 & Cylinder: 8, 10 & Block: V), Ram 2500 Laramie Longhorn SLT Laramie Limited Big Horn Laramie Tradesman Lone Star Outdoorsman : 392 & Cylinder: 8 & Block: V)

MPN

853558

Prop 65 Warning

Nickel (Metallic)

Universal

No

Finish

High-Temperature Paint

Warning

California Proposition 65

Sound Level

Moderate

Sub Category

Mufflers

Emission Code

5

Inlet Diameter

3.50

Muffler Series

50 Series HD

Exhaust Tip Quantity

Sold Separately