Borla ProXS Universal Muffler, 2-Inch Offset Inlet and Center Outlet, Part 400477

ProXS Muffler 2" Offset Inlet/ 2" 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 18302 (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" Offset Inlet/ 2" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length. Universal Part. Reversible Design. Notched Necks. Million Mile Warranty

• 2" Offset Inlet / 2" Center Outlet, 4.25" x 7.88" Oval, 14" Long Body, 19" Overall Length
• Alternate muffler with Un-Notched necks is 40657. If clamping, use 3" wide band clamps.
• Notched necks are designed for clamp in installation. Use 1" wide band clamps 18302.
• Universal muffler. Reversible design.

The Borla ProXS Part 400477 is a compact universal muffler designed for custom exhaust systems and applications where installation space is limited. It features a 2-inch offset inlet, 2-inch center outlet, and a reversible design that allows flexible positioning during installation. The oval muffler body supports efficient exhaust flow while providing controlled sound output for a wide range of automotive applications.

Constructed from high-quality T-304 austenitic stainless steel, this Borla muffler delivers excellent corrosion resistance and long-term durability. Its fully welded construction adds strength, while the free-flow design supports improved exhaust performance. High-temperature continuous-filament fiber acoustic material helps manage sound without compromising the muffler’s compact universal format. The natural mill finish can be brushed or polished before installation to complement a custom exhaust system.

• Brief Description: Compact, reversible Borla ProXS universal muffler with offset inlet and center outlet configuration.
• Key Product Specifications & Technical Data: 2-inch inlet; 2-inch outlet; offset inlet; center outlet; oval body; 14-inch body length; 19-inch overall length; T-304 stainless steel construction.
• Installation: Notched necks support clamp-on installation with Borla 1-inch wide band clamps, Part 18302. Clamps are not included.
• Design: Reversible configuration provides installation flexibility for custom exhaust layouts.
• Construction: 100% welded stainless steel construction is designed for strength and durability.
• Acoustic Material: High-temperature continuous-filament fiber material helps control exhaust sound.
• Finish: Natural mill finish may be brushed or polished before installation.
• Coverage: Backed by Borla’s Million-Mile Warranty.
• Fitment: Universal muffler intended for custom automotive exhaust applications. Verify tubing size, inlet and outlet alignment, available clearance, and installation requirements before purchase.
• What's Included: One Borla ProXS universal muffler. Clamps and additional installation hardware are not included.

This Borla ProXS muffler is made in the USA and offers the quality, durability, and performance-focused design expected from Borla exhaust components. For applications requiring un-notched necks, Borla Part 40657 is the alternate muffler option. If using wider clamping hardware with that configuration, confirm clamp compatibility before installation.

Features:

• 2-inch offset inlet and 2-inch center outlet support versatile custom exhaust installation.
• Reversible design allows flexible orientation and positioning in space-constrained applications.
• T-304 austenitic stainless steel provides strong corrosion resistance and long-term durability.
• Free-flow design and fully welded construction support efficient exhaust performance and structural strength.

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