MBRP Universal 4-Inch Inlet to 5-Inch Outlet Aluminized Exhaust Adapter UA2001

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; 4 in. Inlet Diameter To 5 in. Outlet Diameter; Aluminized; Universal Adapter, Aluminized Steel.

• Use 4 in./5 in. Hardware No Matter Size Of System
• Universal.

The MBRP UA2001 Universal Exhaust Adapter provides a practical connection between a 4-inch exhaust inlet and a 5-inch exhaust outlet. Constructed from aluminized steel, this adapter is designed for exhaust system upgrades, repairs, and custom installations where different pipe sizes must be joined. Its universal design makes it suitable for a wide range of automotive exhaust applications.

MBRP has more than 15 years of experience developing performance exhaust products for enthusiasts who demand dependable construction and improved system performance. The UA2001 reflects that focus with a straightforward design intended to support clean exhaust routing and reliable fitment when used with compatible 4-inch and 5-inch components. The aluminized steel construction offers practical resistance to corrosion and everyday exhaust-system conditions.

• Feature: Connects a 4-inch inside-diameter exhaust pipe to a 5-inch outside-diameter exhaust pipe.
• Feature: Universal design supports custom exhaust fabrication, repairs, and system conversions.
• Feature: Aluminized steel construction provides durable performance for street and light-duty applications.
• Feature: Compatible with 4-inch and 5-inch exhaust hardware for convenient installation planning.

Product Specifications and Technical Data:

• Brand: MBRP
• Part Number: UA2001
• Product Type: Universal exhaust adapter
• Inlet Size: 4 inches inside diameter
• Outlet Size: 5 inches outside diameter
• Material: Aluminized steel
• Application: Automotive exhaust systems
• Design: Universal connection adapter

What's Included: One MBRP UA2001 universal aluminized exhaust adapter. Exhaust clamps, installation hardware, and additional components are not included unless supplied with the compatible exhaust system.

Fitment: Universal automotive application. Vehicle-specific fitment is not provided; verify the existing exhaust pipe sizes, connection style, clearance, and installation requirements before ordering. Professional installation is recommended for custom exhaust work.

Features:

• Connects a 4-inch inside-diameter exhaust pipe to a 5-inch outside-diameter exhaust pipe.
• Universal design supports custom exhaust fabrication, repairs, and system conversions.
• Aluminized steel construction provides durable performance for street and light-duty applications.
• Compatible with 4-inch and 5-inch exhaust hardware for convenient installation planning.

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