Dynomax 19444 Exhaust System Kit

Dynomax Ultra Flo Welded Cat-Back for Frontier

Dynomax Ultra Flo Welded part number 19444 is a premium cat-back exhaust system for the 2005-2016 Nissan Frontier. It uses a straight-through muffler design and mandrel-bent steel piping to support freer exhaust flow while maintaining a deep performance tone.

Built for Frontier owners looking for a direct-fit single exhaust upgrade, this system combines stainless steel muffler construction with aluminized steel piping and a round 3-inch stainless steel tip. The result is a performance exhaust package that focuses on flow, durability, and a cleaner rear exit profile.

Key Features

• Fits 2005-2016 Nissan Frontier, N/A
• Cat-back single exhaust system with a 2.5-inch pipe diameter
• Straight-through Ultra Flo Welded muffler for reduced restriction
• 100-percent welded stainless steel muffler construction
• Mandrel-bent piping for consistent exhaust passage
• Round 3-inch stainless steel tip with straight exit style
• Includes intermediate pipe, Y-pipe, muffler, tail pipe, clamps, and gaskets
• Part number 19444

Product Details

The Dynomax Ultra Flo Welded Single System is part of the Ultra Flo Welded line, which focuses on welded stainless muffler construction and a straight-through internal path. For Nissan Frontier applications, this cat-back system replaces the exhaust section behind the catalytic converter and is built to improve exhaust routing with a performance-oriented sound profile. The CRF-based muffler design is used to reduce interior resonance while keeping a deeper exhaust note. If you are searching for a Nissan Frontier cat-back exhaust, a 2005-2016 Frontier performance exhaust, or Dynomax 19444 fitment details, this system matches those needs directly.

This part cross-references no listed interchange numbers for the same application.

Common Issues It Can Address

• Restricted exhaust flow from an aging factory system
• Corrosion or wear in the original exhaust piping
• Excessive cabin resonance from a damaged muffler
• Need for a performance-style exhaust tone on a Frontier
• Replacement of a bent, rusted, or leaking cat-back assembly

Installation Notes

Compatible With 2005-2016 Nissan Frontier, N/A. This system is a bolt-on style exhaust kit, and the included clamps and gaskets support installation on the listed application. Verify pipe routing, hanger locations, and clearance before final tightening. Because this is a cat-back system, it installs behind the catalytic converter and does not include an oxygen sensor bung.

Quality Assurance

Dynomax backs the Ultra Flo Welded muffler design with a Limited Lifetime Warranty and a 90-Day Performance & Sound Guarantee. The welded stainless muffler construction is engineered for long-term durability in performance exhaust use.