The Borla ProXS universal muffler features a 2.5in center inlet and 2.5in center outlet on a 4in x 9.5in oval body, 14in long with a 19in overall length. Un-notched necks are designed for weld-in installation; if clamping, 3in wide band clamps are used (clamps not included). The ProXS muffler uses Borla's free-flowing straight-through design with high-temperature continuous-filament fiber (CFF) acoustic packing for controlled sound. It is built from T-304 austenitic stainless steel with 100 percent welded construction and a reversible body for installation flexibility. The natural mill finish can be brushed or polished before installation. It is handmade in the USA and backed by Borla's Million-Mile warranty.
Specifications:
- System type: Universal weld-in performance muffler (ProXS)
- Inlet: 2.5in center
- Outlet: 2.5in center
- Body: 4in x 9.5in oval
- Body length: 14in
- Overall length: 19in
- Material: T-304 austenitic stainless steel
- Construction: 100 percent welded, reversible design
- Acoustic packing: continuous-filament fiber (CFF)
- Made in the USA
- Part number: 40364
FAQ
Is this a universal muffler?
Yes. This is a universal weld-in muffler component with a reversible body for installation flexibility. It is not vehicle-specific and can be used to build or repair custom exhaust systems.
Is this muffler emissions legal for street use?
As a universal weld-in muffler component, emissions and street legality depend on the complete exhaust system and the vehicle and state where it is installed. It carries no standalone emissions certification.
How is it installed?
Un-notched necks are designed for weld-in installation. If clamping, use 3in wide band clamps (part 18004; clamps not included). The reversible design allows either neck to be used as the inlet.
What is it made of and where is it made?
The muffler is handmade in the USA from T-304 austenitic stainless steel with 100 percent welded construction and is backed by Borla's Million-Mile warranty.
