MBRP UA9004 Universal 4-Inch to 5-Inch Exhaust Adapter, 7-Inch Length, 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; 4 in. Inlet Diameter To 5 in. Inlet Diameter; 7 in. Length; T409 Stainless Steel; Universal Adapter, T409 Stainless Steel.

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

The MBRP UA9004 Universal Exhaust Adapter provides a reliable connection between exhaust components with different inlet sizes. Designed with a 4-inch inside diameter inlet and a 5-inch inside diameter outlet, this adapter helps simplify exhaust system modifications, upgrades, and repairs where size transitions are required. Its universal design makes it suitable for a broad range of automotive exhaust applications when the corresponding tubing and hardware are properly matched.

Constructed from T409 stainless steel, the MBRP UA9004 is engineered to withstand the heat, vibration, and corrosive conditions commonly associated with automotive exhaust systems. The durable material supports long-term service life while maintaining a clean, professional appearance. Its 7-inch overall length provides useful coverage for joining exhaust components while allowing installation flexibility in custom and replacement systems.

MBRP developed the UA9004 with performance enthusiasts and installers in mind, offering the fit and durability expected from the MBRP exhaust product line. Use 4-inch or 5-inch exhaust hardware as appropriate for the selected side of the adapter and verify system clearance before installation. This component is a universal adapter rather than a vehicle-specific replacement part, so fitment should be confirmed against the existing exhaust tubing, clamps, and surrounding components.

What's Included: One MBRP UA9004 universal exhaust adapter. Clamps, connecting hardware, and other exhaust components are not included unless separately specified.

Fitment: Universal automotive exhaust application; vehicle-specific fitment information is not available. Professional installation or verification by a qualified exhaust technician is recommended.

Features:

• Universal Exhaust Adapter: Connects exhaust components using different tubing sizes for custom, replacement, and performance exhaust installations.
• 4-Inch to 5-Inch Transition: Provides a 4-inch inside diameter inlet-to-5-inch inside diameter connection for compatible exhaust systems.
• T409 Stainless Steel Construction: Offers durable resistance to exhaust heat, vibration, and everyday corrosion for dependable service.
• MBRP Performance Design: Delivers the quality and installation flexibility associated with MBRP exhaust components while supporting custom system upgrades.

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