This Borla heavy-duty long-body muffler is developed for truck and SUV applications that need an extended body. It runs a 3in center inlet and 3in center outlet on a 6.75in diameter 24in round body. Notched necks are designed for clamp-on installation (weld-in version is 400436). T-304 stainless construction with CFF acoustic packing and a reversible design.
| Type | Heavy-duty truck muffler |
| Inlet/Outlet | 3in inlet / 3in outlet |
| Configuration | Center / Center - notched (clamp-on) |
| Body | Round - 6.75in diameter x 24in |
| Material | T-304 stainless steel - 100% welded - natural mill finish |
| Design | Reversible - Free Flow with CFF acoustic packing |
| Part Number | 400500 |
Shipping: In-stock orders placed before 4 PM EST ship the same day, with standard, expedited, and overnight options available at checkout. Backordered items ship as soon as our distributor restocks — 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.
