This Borla S-Type long-body muffler is developed for trucks and SUVs needing an extended body, with a slightly more aggressive tone than the larger 7.75in Touring version. It runs a 2.75in center inlet and 2.75in center outlet on a 6.75in diameter 24in body (29in overall). Un-notched necks are designed for weld-in installation. T-304 stainless construction with CFF acoustic packing and a reversible design.
| Type | Specialty long-body muffler (S-Type) |
| Inlet/Outlet | 2.75in inlet / 2.75in outlet |
| Configuration | Center / Center - un-notched (weld-in) |
| Body | Round - 6.75in diameter x 24in body - 29in overall |
| Material | T-304 stainless steel - 100% welded - natural mill finish |
| Design | Reversible - Free Flow with CFF acoustic packing |
| Part Number | 401664 |
| Warranty | Million-Mile Warranty |
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.
