Borla ProXS Universal Muffler 2.25-Inch Offset Inlet and Center Outlet, Part 40357

ProXS Muffler 2.25" Offset Inlet/ 2.25" 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 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" 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 18003.
• 2.25" Offset Inlet/ 2.25" Center Outlet, 4" x 9.5" Oval, 14" Long Body, 19" Overall Length
• Alternate muffler with Notched necks is 400478. Use 1" wide band clamps 18322.
• Universal muffler. Reversible design.

The Borla ProXS universal muffler, part 40357, is designed for custom exhaust systems requiring a 2.25-inch offset inlet and 2.25-inch center outlet. Its oval configuration and reversible design provide installation flexibility for a wide range of automotive applications. The un-notched necks are intended for weld-in installation; when using clamps, Borla recommends 3-inch-wide band clamps, such as part 18003, which are sold separately.

Constructed from high-quality T-304 austenitic stainless steel, the Borla ProXS muffler offers excellent corrosion resistance and long-term durability. Its 100% welded construction provides dependable strength, while the free-flow internal design supports efficient exhaust performance. High-temperature continuous-filament fiber acoustic material helps control sound without compromising the muffler’s performance-oriented design. The natural mill finish may be brushed or polished before installation.

Made in the USA, this Borla universal muffler is backed by the company’s Million-Mile Warranty. The ProXS design is suitable for custom exhaust fabrication and can be installed in either direction to accommodate system layout requirements. This muffler is a universal component and does not provide direct vehicle-specific fitment.

What's Included: One Borla ProXS universal muffler. Clamps, exhaust tubing, hangers, and installation hardware are not included.

Fitment: Universal automotive application. Professional exhaust fabrication or welding may be required. For a notched-neck alternative, see Borla part 400478, which uses 1-inch-wide band clamps, part 18322.

Features:

• Reversible Design: Allows flexible installation orientation in custom exhaust systems.
• T-304 Stainless Steel: Provides superior corrosion resistance and durable performance.
• 100% Welded Construction: Strengthens the muffler assembly for dependable service.
• Free-Flow Performance: Supports efficient exhaust flow while high-temperature acoustic material helps control 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