Dynaflex 37-2520 | 2.5" O.D. to 2" I.D. Exhaust Reducer | 6" OAL | Made in USA

Precision-engineered for professional exhaust transitions, the Dynaflex 37-2520 is the industrial standard for reducing exhaust pipe diameters. Proudly Made in the U.S.A., this heavy-duty coupler is designed for those who require a durable, weld-ready solution for custom fabrication, truck repair, or industrial equipment.

Product Overview

Constructed from high-quality 16-gauge carbon steel, this 6-inch reducer provides a rugged bridge between 2.5-inch and 2-inch exhaust components. The 16GA wall thickness ensures the structural integrity needed to withstand high-heat cycles and the mechanical stresses of commercial diesel and performance applications.

• Configuration: 2.5" O.D. to 2.0" I.D.

• Overall Length: 6.0"

• Material: 16 Gauge (.065") Carbon Steel

• Origin: Proudly Made in the U.S.A.

Key Features

• Weld-Ready Carbon Steel: Ships in a raw, unfinished state. This is the preferred finish for professional fabricators, allowing for immediate, high-penetration welding without the need to strip or grind away aluminized or galvanized coatings.

• Smooth Taper Design: The 6-inch overall length allows for a gradual reduction in pipe diameter. This transition helps maintain exhaust velocity and minimizes turbulence compared to shorter, abrupt adapters.

• Precision Slip-Fit: * The 2.5" O.D. end fits inside a standard 2.5" I.D. pipe or muffler.

  • The 2.0" I.D. end is expanded to slip over a standard 2.0" O.D. pipe.

• Industrial Durability: Dynaflex manufacturing ensures industrial-grade tolerances and perfectly round ends for a leak-free seal.

Specifications Table

Applications

• Custom Fabrications: Ideal for building custom headers, downpipes, or intake systems.

• Industrial Machinery: Connecting generators or heavy equipment exhaust ports.

• Truck & Fleet Repair: Reliable component for Class 4-7 truck exhaust maintenance.

Tech Tip: Because this part is raw carbon steel, it is ready for welding immediately. To ensure a long service life and prevent external surface oxidation, we recommend applying a high-temperature ceramic or exhaust paint after installation.