Borla ProXS 40344 Universal Stainless Steel Muffler, 2-Inch Offset Inlet and Center Outlet

ProXS Muffler 2" Offset Inlet/ 2" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps (clamps not included). 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" Offset Inlet/ 2" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. Million Mile Warranty

• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps.
• 2" Offset Inlet/ 2" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length
• Alternate muffler with notched necks is 400476. Use 1" wide band clamps 18302.
• Universal muffler. Reversible design.

The Borla ProXS Part Number 40344 is a universal performance muffler designed for custom exhaust systems and weld-in installations. It features a 2-inch offset inlet, 2-inch center outlet, oval housing, and a reversible design that provides installation flexibility. The un-notched necks are intended for welding, while clamping installations require 3-inch-wide band clamps, which are not included.

Constructed from high-quality T-304 austenitic stainless steel, this Borla muffler provides excellent corrosion resistance and long-term durability. Its 100% welded construction supports reliable strength, while the free-flow design helps improve exhaust gas flow and performance. High-temperature continuous-filament fiber acoustic material helps control sound while maintaining the performance characteristics expected from the ProXS line.

The muffler has a natural mill finish that can be brushed or polished before installation. As a universal component, fitment depends on the vehicle, exhaust routing, and available installation space; professional fabrication may be required. An alternate notched-neck muffler is available as Borla Part Number 400476 and is designed for use with 1-inch-wide band clamps, such as Borla 18302. Made in the USA, the Borla ProXS 40344 is backed by Borla's Million-Mile Warranty.

Product Specifications and Technical Data

• Brand: Borla
• Part Number: 40344
• Series: ProXS
• Application: Universal automotive exhaust muffler
• Inlet: 2-inch offset
• Outlet: 2-inch center
• Body Shape: Oval
• Construction: T-304 stainless steel with fully welded construction

What's Included

• One Borla ProXS 40344 muffler
• Clamps and installation hardware are not included

Features:

• Reversible Design: Allows the muffler to be positioned for flexible custom exhaust installation.
• T-304 Stainless Steel Construction: Provides strong corrosion resistance and durable performance in demanding exhaust environments.
• Free-Flow Performance: Helps improve exhaust gas flow for a responsive custom exhaust system.
• Weld-In Installation: Un-notched necks are designed for welding; use 3-inch-wide band clamps if installing with clamps.

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