Borla ProXS Universal Muffler, 2.5-Inch Offset Inlet and Center Outlet, Part Number 400481

ProXS Muffler 2.5" Offset Inlet/ 2.5" Center Outlet, 4.25" x 7.88" Oval, 14 Long Body, 19" Overall Length. Notched necks for easy clamp-on installation using 1" wide band style clamps 18325 (clamps not included). Compact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel for superior corrosion resistance. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation). Best of all, it's made in the USA and backed by BORLA(r)'s Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand. ProXS Muffler 2.5" Offset Inlet/ 2.5" Center Outlet, 4.25" x 7.88" Oval, 14 Long Body, 19" Overall Length. Universal Part. Reversible Design. Notched Necks. Million Mile Warranty

• 2.5" Offset Inlet / 2.5" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
• Alternate muffler with Un-Notched necks is 40659. If clamping, use 3" wide band clamps 18004.
• Notched necks are designed for clamp in installation. Use 1" wide band clamps 18325.
• Universal muffler. Reversible design.

The Borla ProXS Part Number 400481 is a universal oval muffler designed for custom exhaust systems and applications requiring a compact, reversible muffler. It features a 2.5-inch offset inlet and 2.5-inch center outlet, with a 14-inch body and 19-inch overall length. Its compact form is well suited for installations where available space is limited, while the reversible design provides added flexibility during system layout and installation.

Built from high-quality T-304 austenitic stainless steel, the Borla ProXS muffler offers excellent corrosion resistance and long-term durability. Its 100% welded construction helps provide structural strength, while the free-flow internal design supports efficient exhaust flow and improved performance. High-temperature continuous-filament fiber acoustic material helps control exhaust sound without compromising the muffler's performance-focused design.

Notched necks are designed for clamp-on installation using Borla 1-inch-wide band clamps, Part Number 18325; clamps are not included. The natural mill finish may be brushed or polished before installation. This is a universal muffler and does not provide vehicle-specific fitment. An alternate version with un-notched necks is Borla Part Number 40659 and is intended for use with 3-inch-wide band clamps, Part Number 18004. Made in the USA, the Borla ProXS 400481 is backed by Borla's Million-Mile Warranty.

What's Included

• One Borla ProXS universal muffler
• Installation clamps and hardware are not included

Fitment

Universal fitment. Custom exhaust fabrication and installation are required. Confirm inlet and outlet orientation, tubing size, clearance, and mounting requirements before installation.

Features:

• Compact Universal Design: Provides a practical solution for custom exhaust systems with limited installation space.
• Reversible Configuration: Allows flexible installation based on exhaust routing and available clearance.
• T-304 Stainless Steel Construction: Offers strong corrosion resistance and durable performance in demanding exhaust environments.
• Free-Flow Acoustic Performance: Combines a performance-oriented internal design with high-temperature continuous-filament fiber acoustic material for efficient flow and controlled sound.

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