Borla ProXS Universal Muffler BOR400485, 2.5-Inch Center Inlet and Dual Outlet

ProXS Muffler 2.5" Center Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Notched necks are designed for clamp in installation using 1" wide band clamps 18325 (clamps not included). Reversible design for installation flexibility. This muffler is generally used in a system that has a single inlet and dual outlets, but it can also be installed in a system with dual inlets and a single outlet. 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" Center Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Universal Part. Reversible Design. Notched Necks. Million Mile Warranty

• Alternate muffler with Un-Notched necks is 40348. If clamping, use 3" wide band clamps 18004.
• 2.5" Center Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length
• Notched necks are designed for clamp in installation. Use 1" wide band clamps 18325.
• Universal muffler. Reversible design.

The Borla ProXS Universal Muffler BOR400485 is designed for custom exhaust systems requiring a single 2.5-inch center inlet and dual 2.5-inch outlets. Its reversible configuration supports flexible installation in systems with either a single inlet and dual outlets or dual inlets and a single outlet. Notched necks are intended for clamp-in installation with Borla 1-inch-wide band clamps, part number 18325; clamps are not included.

Constructed from high-quality T-304 austenitic stainless steel, this Borla muffler provides excellent corrosion resistance and long-term durability. The fully welded construction adds strength, while the free-flow design helps support improved exhaust performance. High-temperature continuous-filament fiber acoustic material provides controlled sound attenuation without restricting exhaust flow. The natural mill finish can be brushed or polished before installation for a customized appearance.

The Borla ProXS BOR400485 is a universal automotive muffler made in the USA and backed by Borla's Million-Mile Warranty. Its oval body and reversible design make it a practical choice for a wide range of custom exhaust applications. For an alternative configuration with unnotched necks, consider Borla part number 40348, which uses 3-inch-wide band clamps, part number 18004, when clamping is required.

Brief Description

A reversible, universal Borla ProXS muffler with a 2.5-inch center inlet, dual 2.5-inch outlets, stainless steel construction, and free-flow performance for custom exhaust systems.

Key Product Specifications & Technical Data

• Brand: Borla
• Part Number: BOR400485
• Series: ProXS
• Application: Universal automotive exhaust muffler
• Inlet Configuration: Single center inlet
• Outlet Configuration: Dual outlets
• Construction: T-304 austenitic stainless steel with fully welded construction
• Installation: Reversible design with notched necks for clamp-in installation

What's Included

One Borla ProXS universal muffler. Installation clamps and other exhaust hardware are not included.

Features:

• Free-Flow Performance: Supports efficient exhaust flow for custom automotive exhaust systems.
• T-304 Stainless Steel Construction: Provides strong corrosion resistance and durable service life.
• Reversible Design: Allows installation flexibility in single-inlet/dual-outlet or dual-inlet/single-outlet systems.
• Controlled Sound: High-temperature continuous-filament fiber acoustic material helps manage exhaust sound while maintaining flow.

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