Borla · New
Borla 2.50in Dual In/Out 19in x 9.5in x 4in PRO-XS Muffler
MPN 400286 · Store SKU bor400286
Supplier stock checked 11/7/2026, 4:49:39 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
ProXS Muffler 2.5" Dual Inlet/ 2.5" 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 18004 (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. 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. 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. ProXS Muffler - Un-Notched Neck Borla® Pro XS Muffler
Manufacturer fitment & guides
Check 400286 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
