MBRP UA2003 Universal 3.5-Inch Inlet to 5-Inch Outlet Exhaust Adapter

Behind our walls are people as obsessed as you with the quest for the ultimate in performance exhaust. For over fifteen years MBRP inc. has been delivering performance enthusiasts the most in power, the most in product quality and the most in customer responsiveness. It all began with the now famous B&B Eliminator, which soon achieved the status as the best selling performance snowmobile silencer of all time. Starting from little more than a vision and an absolute passion for all things performance MBRP inc. is now at the forefront of performance exhaust technology. Marshalling over ten decades of manufacturing and marketing expertise between them, the MBRP design team developed a line of performance diesel exhaust products that has made the rest of the industry take notice, and rush to catch up. Most recently MBRP Inc. has achieved something special for the sports truck enthusiast. The new sport line brings to the gasoline-powered vehicle the same perfect blend of style and toughness that diesel light truck owners have come to expect from MBRP. The line features a unique flow through muffler originally developed to increase the performance of thousand horsepower off shore marine engines. The result is a muffler that generates a deeper, mellow sound, improved performance numbers and cooler operating temperatures. For the future, MBRP inc. is determined to provide the highest fill rates in the industry, offer the most complete line of exhaust for diesel and sports truck enthusiasts and to be always pushing upward the definition of performance. Universal Exhaust Adapters; 3.5 in. Inlet Diameter To 5 in. Outlet Diameter; 7 in. Length; Aluminized; Universal Adapter, Aluminized Steel.

• Use 3.5 in./5 in. Hardware No Matter Size Of System
• Universal.

The MBRP UA2003 Universal Exhaust Adapter provides a practical connection between an exhaust component with a 3.5-inch inlet and a 5-inch outlet. Constructed from aluminized steel, this adapter is designed for automotive exhaust applications where reliable fitment and durable performance are required. Its universal design makes it suitable for use with compatible exhaust systems across a range of vehicle and custom exhaust configurations.

With a 7-inch overall length, the MBRP UA2003 helps simplify exhaust system transitions while supporting a clean, professional installation. The aluminized construction offers resistance to everyday exhaust-system conditions, including heat, moisture, and road exposure. This adapter is especially useful when joining exhaust components of different diameters or adapting a smaller outlet to a larger exhaust section.

MBRP has built its reputation around performance exhaust products engineered for enthusiasts, commercial users, and custom installers. The UA2003 reflects that focus with a straightforward design intended to support dependable exhaust fabrication and system upgrades. Installation may require compatible clamps, hangers, or other hardware, and the proper connection hardware should be selected according to the specific exhaust system. The adapter uses 3.5-inch and 5-inch exhaust hardware, regardless of the overall system size.

Brief Description: Universal aluminized-steel exhaust adapter for connecting a 3.5-inch inlet to a 5-inch outlet.

What's Included: One MBRP UA2003 universal exhaust adapter. Clamps and installation hardware are not included unless specified by the installer or application.

Features:

• Universal Fitment: Designed for compatible automotive exhaust systems and custom exhaust installations.
• Diameter Transition: Connects a 3.5-inch inlet to a 5-inch outlet for adapting exhaust components of different sizes.
• Aluminized Steel Construction: Provides durable performance and resistance to common exhaust-system heat and environmental exposure.
• Installation Flexibility: The compact 7-inch length supports practical exhaust routing and fabrication applications.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1