Flowmaster 50 Series Heavy Duty Muffler
- Heavy-duty muffler for gas and diesel trucks
- Deep and powerful tone
- 3-chamber design
- Stainless steel construction
- Limited lifetime warranty
The Lowest Price Perfect Fit Guarantee
Our #1 value is customer service.
We believe in doing right by our customers, no matter what it takes.
In keeping with that, we offer a “perfect fit guarantee” that ensures your satisfaction on 3 levels: low price, free shipping, and perfect fitment.
- Alan Marek, Founder of PartCatalog.com
The Lowest Price Anywhere--Guaranteed
At PartCatalog, we’ll beat any competing vendor’s price. And we’re so confident in our rock-bottom prices that we’ll refund the difference if you find a lower price elsewhere.
Free Shipping Both Ways
Our “free shipping both ways” policy means that returns and orders ship free of charge. When you place an order, you pay only the list price and any applicable taxes. We cover the shipping to save you money and ensure timely delivery.
100% Guaranteed to Fit
In the highly unlikely event of a fitment problem, we’ll return your purchase at no cost to you. We pay return shipping on all orders, so it won’t cost you a penny to send back a defective part.
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Fitment Note:
- Significantly cuts down noise for large displacement engine to a more pleasant deep rumble
- Produces a deep tone with lessened internal noise for large heavy duty Dodge trucks
- Made to handle powerful emissions and improve exhaust flow from both diesel and gas trucks
- Made with tough steel for super strength and durability
- Flowmaster's guarantee of superior quality and unmatched performance

Heavy-Duty Muffler
The Flowmaster 50 heavy-duty muffler cuts down exhaust noise to a quieter but deeper rumble. It is particularly suitable for large displacement engines and heavy-duty vehicles with large exhaust volumes. With a 3" inlet pipe and a dual rear exit, you can hit it with your best shot and it will offer nothing short of an impressive performance.

Deep and Powerful Tone
The muffler produces a deep growl without high pitches. It is perfect for drivers who are looking for a powerful rush on the road without too much attention.

3-Chamber Design
It features a 3-chamber design to handle large exhaust volumes and emissions from powerful engines. The muffler is ideal for both gas and diesel trucks.

Stainless Steel Construction
The Flowmaster 50 heavy-duty muffler is made from the strongest stainless steel in the industry. It won't rust or corrode and will stay in its original shape even after years of use.

Limited Lifetime Warranty
Flowmaster provides a limited lifetime warranty for every purchase of this muffler. It is a guarantee that it is worth your money in all aspects including quality, craftsmanship, and performance. If you need any help or further information about your warranty, feel free to get in touch with PartCatalog.
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Three (3) Year Limited Warranty applies to Flowmaster aluminized steel mufflers.
The following part numbers are available in this product line:
To purchase this product for your vehicle, please select the Year, Make and Model of your vehicle at the top of this page.
Chevrolet (2001-2010)
Express 2500, Express 3500, Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Silverado 3500 HD
Dodge (1994-2010)
Ram 1500, Ram 2500, Ram 3500, Viper
Ford (1999-2014)
Excursion, F-150, F-250 Super Duty, F-350 Super Duty
GMC (2001-2015)
Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 1500 HD Classic, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Yukon
Jeep (2005-2010)
Grand Cherokee
Ram (2011-2018)
1500, 2500, 3500