The Borla Pro-XS is a universal performance muffler with a 2.25in center inlet and 2.25in offset outlet on a 14in x 4in x 9.5in oval body. Notched necks allow easy clamp-on installation and the reversible design lets you mount it in either direction. T-304 stainless with high-temperature CFF acoustic packing for free-flowing sound control.
| Type | Performance muffler (Pro-XS) |
| Inlet/Outlet | 2.25in inlet / 2.25in outlet |
| Configuration | Center inlet / Offset outlet - notched (clamp-on) |
| Body | Oval - 14in x 4in x 9.5in |
| Material | T-304 stainless steel - 100% welded - natural mill finish |
| Design | Reversible - Free Flow with CFF acoustic packing |
| Part Number | 400478 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
