ProXS Muffler

Value-priced BORLA® ProXS mufflers share many of the hottest features of our performanceline. Including high-quality 300 Series austenitic stainless steel construction, streetcommandingsound and our Million Mile Warranty. Sizes are available for import anddomestic cars and trucks.

Additional Information

ProXS Muffler 2.25" Dual Inlet/ 2.25" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Internal X-Pipe. Universal Part. Reversible Design.

Part Type

Exhaust Muffler

Product Overview

ProXS Muffler 2.25" Dual Inlet/ 2.25" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length. Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003 (clamps not included). This muffler features an internal X-Pipe for increased performance and improved sound. Reversible design for installation flexibility. T-304 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.

• 2.25" Dual Inlet/ 2.25" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length
• Alternate muffler with Notched necks is 400492. Use 1" wide band clamps 18322.
• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003.
• Universal muffler. Reversible design. Dual Inlet, dual outlet. Contains an internal X-Pipe.

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Product Details

Reference Information

Muffler, Oval, 2.25 in. Inlet/2.25 in. Outlet, Stainless Steel, Brushed, Each

Borla Performance Turbo XL muffler 400287 features dual inlet and dual outlet, as well as an internal X-Pipe for increased performance and improved sound. Its reversible design allows for installation flexibility. The T-304 stainless steel muffler will never rust, and its 100 percent welded construction ensures long-lasting strength. Other product highlights include: a free flow design for improved performance; high-temperature continuous-filament fiber (CFF) acoustic material for sound control; and a natural mill finish that can be brushed or polished prior to installation. Best of all, the Performance Turbo XL muffler is backed by Borla—just what you'd expect from the world's most experienced (and most winning) exhaust brand.