This universal Borla performance muffler is selected by exact manufacturer part number 40665. Confirm every inlet, outlet, body, offset, clearance, finish, and fabrication requirement against the Borla drawing before ordering.

Key Features

• T-304 Austenitic Stainless Steel: Provides corrosion resistance and durability that withstands extreme heat and road conditions.
• 100% Welded Construction: Ensures structural integrity and leak-free performance under high pressure.
• Free-Flow Technology: Reduces backpressure for measurable gains in power and throttle response.
• Reversible Design: Allows flexible inlet/outlet positioning for easy adaptation to any 2.5-inch exhaust layout.
• CFF Acoustic Core: Controls drone and delivers deep, aggressive exhaust tone without excess noise.
• 4″ height x 9.5″ width x 19″ body length; 24″ overall length for versatile mounting.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 40665. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

Related Borla Products

• Borla Universal Oval Transverse 2.5in Inlet/Outlet 19in x 10.25in x 5.5in Turbo XL Muffler
• Borla Universal Oval Transverse Single 3in Inlet/2.5in Outlet 19in x 10.25in x 5.5in Turbo Muffler
• Borla Universal Performance 2.5in Inlet/Outlet Stainless Racing Muffler

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

How do I confirm this universal Borla part will fit?
Match the inlet and outlet diameter, body dimensions, flow direction, offset or center layout, available clearance, material, finish, and required fabrication to the exact Borla drawing before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.