The Borla XR-1 Sportsman is Borla's number-one selling racing muffler - the lightest, most compact and highest-flowing in its class. This version runs a 3.5in center inlet and 3.5in center outlet on a 4.25in x 7.88in oval body (12in body, 17in overall), built on patented race-winning XR-1 Raceline flow-through technology. Un-notched necks are designed for weld-in installation. T-304 stainless with a reversible design.
| Type | XR-1 Sportsman racing muffler |
| Inlet/Outlet | 3.5in inlet / 3.5in outlet |
| Configuration | Center / Center - un-notched (weld-in) |
| Body | Oval - 4.25in x 7.88in - 12in body - 17in overall |
| Material | T-304 austenitic stainless steel - reversible |
| Part Number | 40945 |
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.
