Borla ProXS Pro-XS 40351 Universal Offset/Offset Muffler

ProXS Muffler 2.25" Offset Inlet/ 2.25" Offset 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 18003 (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 2.25" Offset Inlet/ 2.25" Offset 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 18003.
• 2.25" Offset Inlet/ 2.25" Offset Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length.
• Alternate muffler with Notched necks is 400489. Use 1" wide band clamps 18322.
• Universal muffler. Reversible design.

The Borla ProXS Pro-XS 40351 universal muffler is engineered for exhaust systems using 2.25-inch tubing and features an offset inlet and offset outlet for flexible installation. Its reversible design allows the muffler to be positioned to suit a wide range of custom exhaust layouts. Un-notched necks are intended for weld-in installation; when clamping is preferred, use Borla 3-inch wide band clamps, part number 18003, sold separately.

Constructed from high-quality T-304 austenitic stainless steel, the Borla 40351 delivers excellent corrosion resistance and long-term durability. Its 100% welded construction provides dependable strength, while the free-flow design supports efficient exhaust flow and performance. High-temperature continuous-filament fiber acoustic material helps control sound without compromising the muffler’s compact universal configuration.

The muffler features a natural mill finish that can be brushed or polished before installation. This Borla ProXS muffler is made in the USA and backed by Borla’s Million-Mile Warranty. It is a universal automotive component intended for custom installation and is not vehicle-specific. For an alternate version with notched necks, consider Borla part number 400489, which uses 1-inch wide band clamps, part number 18322.

What's Included: One Borla ProXS 40351 universal muffler. Clamps and installation hardware are not included.

Fitment: Universal fit for custom exhaust applications requiring 2.25-inch tubing, with compatible clearance and fabrication confirmed by the installer. Professional installation is recommended.

Features:

• Offset inlet and offset outlet: Supports flexible exhaust-system routing and custom installation layouts.
• Reversible design: Allows installation in either orientation for added packaging flexibility.
• T-304 stainless steel construction: Provides superior corrosion resistance and long-lasting durability.
• Free-flow performance design: Promotes efficient exhaust flow while high-temperature continuous-filament fiber acoustic material helps manage 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