Dynomax 17223 Exhaust Muffler

Dynomax Ultra Flo Welded 17223 Overview

Dynomax Ultra Flo Welded Part Number 17223 is a universal performance muffler built for single-exhaust applications that need a straight-through exhaust path and a deep performance tone. Its 3-inch inlet and outlet, round stainless steel body, and reversible layout make it a practical choice for custom exhaust work on trucks and performance builds.

Compatible With 1999-2007 Chevrolet Silverado 1500, 1999-2007 GMC Sierra 1500, and 1999-2000 Chevrolet Silverado 2500 or GMC Sierra 2500 applications listed below, including 2000 Chevrolet Silverado 1500 and 2000 GMC Sierra 1500 fitments. Part number 17223 is also a common search match for drivers building a Dynomax Ultra Flo Welded system on a Chevrolet Silverado 1500 or GMC Sierra 1500.

Key Features

• Universal, reversible muffler with center inlet and center outlet configuration
• 3-inch inside diameter inlet and outlet for performance exhaust routing
• Stainless steel body with welded construction for durability
• Absorption-style muffler design with straight-through flow path
• Deep performance tone with reduced interior resonance
• Round body shape with natural finish
• Dynomax Ultra Flo Welded line focus for performance exhaust systems

Product Line Details

The Dynomax Ultra Flo Welded line is built around unrestricted exhaust flow and welded stainless construction. This series uses Continuous Roving Fiberglass technology to control unwanted cabin resonance while keeping a performance-oriented exhaust note, making it a fit for drivers who want stronger exhaust flow without giving up sound quality.

Detailed Description

Dynomax 17223 is a high-performance absorption muffler with a 16-inch body length and 21-inch overall length. The 6-inch body width and 6-inch body height support a compact round profile that works well in custom exhaust layouts. With a 3-inch main piping diameter, this muffler is suited to performance builds that need a direct-flow design and a stainless steel construction that stands up to demanding use.

This part is a strong match for long-tail searches such as Dynomax Ultra Flo Welded 3 inch universal muffler for 1999-2006 Chevrolet Silverado 1500, or stainless performance muffler for 2007 GMC Sierra 1500 Classic single exhaust. It is also relevant for 1999-2000 Chevrolet Silverado 2500 and GMC Sierra 2500 single-exhaust applications under 8600 GVW.

What It Helps Address

• Restrictive factory muffler flow in performance exhaust systems
• Excessive interior resonance from aggressive exhaust setups
• Need for a durable stainless steel muffler in custom builds
• Fitment challenges when a reversible universal muffler is required
• Sound control needs when a deep performance tone is preferred

Installation Notes and Tips

Verify available exhaust space before installation, since the muffler measures 21 inches overall with a 16-inch body length. Confirm 3-inch pipe sizing, center inlet and outlet placement, and single-exhaust routing before welding or fabrication. Fitment is listed for 1999-2007 Chevrolet Silverado 1500 and GMC Sierra 1500 applications, plus 1999-2000 Chevrolet Silverado 2500 and GMC Sierra 2500 under 8600 GVW.

Fits 2007 Chevrolet Silverado 1500 Classic, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust. Fits 2007 GMC Sierra 1500 Classic, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust. Fits 1999-2006 Chevrolet Silverado 1500, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust. Fits 1999-2006 GMC Sierra 1500, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust. Fits 1999-2000 Chevrolet Silverado 2500, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust. Fits 1999-2000 GMC Sierra 2500, N/A; Ultra Flo Welded System, under 8600 lb GVW, single exhaust.

Quality Assurance

Dynomax backs the Ultra Flo Welded muffler line with a Limited Lifetime Warranty and a 90-Day Performance & Sound Guarantee. Part number 17223 is built with 100-percent welded stainless steel construction and is engineered for performance exhaust use.