MBRP UA1007 Universal 3.5-Inch Inlet to 4-Inch Outlet Exhaust Adapter, T409 Stainless Steel

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 4 in. Outlet Diameter; T409 Stainless Steel; Universal Adapter, T409 Stainless Steel.

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

The MBRP UA1007 universal exhaust adapter connects a 3.5-inch inside-diameter exhaust component to a 4-inch outside-diameter section, helping simplify custom exhaust installation and system transitions. Constructed from T409 stainless steel, this adapter is designed for dependable service in demanding automotive exhaust environments while supporting the fit, finish, and durability expected from MBRP performance products.

MBRP has developed performance exhaust components for enthusiasts who prioritize power, sound, quality, and responsive design. The UA1007 adapter is a practical addition to custom exhaust systems, restoration projects, and performance upgrades where a reliable diameter transition is required. Its universal configuration allows it to be used across a broad range of automotive applications when the inlet and outlet dimensions match the existing system.

• What's Included: One MBRP UA1007 universal exhaust adapter.
• Fitment: Universal automotive fitment; verify exhaust pipe dimensions and clearance before installation.
• Installation Note: Use 4-inch or 5-inch hardware, regardless of system size, as recommended by MBRP. Professional installation is recommended for custom exhaust work.
• Regulatory Information: This product is not CARB approved and is not intended to alter emissions-control equipment. Proposition 65 warning applies.

Brief Description: A durable universal exhaust adapter for transitioning from a 3.5-inch inlet to a 4-inch outlet in custom automotive exhaust systems. The MBRP UA1007 combines a practical design with T409 stainless-steel construction for dependable performance and long-term use.

Features:

• Universal Fitment: Designed for custom automotive exhaust systems requiring a 3.5-inch inlet to 4-inch outlet transition.
• T409 Stainless Steel: Provides durable construction for reliable performance in high-temperature exhaust environments.
• Exhaust System Compatibility: Helps connect exhaust components with different pipe diameters for a practical installation solution.
• MBRP Performance Design: Backed by MBRP's experience in performance exhaust products for automotive enthusiasts.

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