This Borla Touring long-body muffler is developed for trucks and SUVs that need an extended body for a milder tone. It runs a 3in center inlet and 3in center outlet on a 7.75in diameter 24in body (29in overall). Un-notched necks are designed for weld-in installation (clamp version is 401662). T-304 stainless construction with CFF acoustic packing and a reversible design.
Specifications
| Type | Specialty long-body muffler (Touring) |
| Inlet/Outlet | 3in inlet / 3in outlet |
| Configuration | Center / Center - un-notched (weld-in) |
| Body | Round - 7.75in 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 | 401663 |
| Warranty | Million-Mile Warranty |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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