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 2.5" Dual Inlet/ 2.5" 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

Dual Inlet and dual outlet. Internal X-Pipe for increased performance and improved sound. Reversible design for installation flexibility. T-304 Stainless steel will never rust. 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's Million-Mile warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

• 2.5" Dual Inlet/ 2.5" Dual Outlet, 4" x 9.5" Oval, 19" Long Body, 24" Overall Length
• Alternate muffler with Notched necks is 400493. Use 1" wide band clamps 18325.
• Un-Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18004.
• Universal muffler. Reversible design. Dual inlet, dual outlet. Contains an internal X-Pipe.

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Product Details

Reference Information

Muffler, ProXS, Oval, Two 2.5 in. Inlets/Two 2.5 in. Outlets, Stainless Steel, Brushed, Each

Borla ProXS muffler model 400286 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 ProXS muffler is backed by Borla—just what you'd expect from the world's most experienced (and most winning) exhaust brand.