The Borla CrateMuffler is purpose-built to optimize the sound and power of a specific engine family - here the Chevrolet LS3 6.2L V8. It delivers Borla's classic S-Type tone and is tuned to reduce or eliminate drone on cataloged applications; add resonator 400939 for the mellower Touring sound. Directional flow: the outlet end carries the welded mounting bracket. 3in offset inlet / 3in center outlet on a 6in x 10.34in oval body (14in body, 19in overall). Premium T-304 stainless steel with CNC-accurate construction.
Specifications
| Type | Engine-tuned CrateMuffler |
| Engine | Chevy LS3 6.2L V8 |
| Sound | S-Type (classic) |
| Inlet/Outlet | 3in inlet / 3in outlet |
| Configuration | Offset inlet / Center outlet - directional |
| Body | Oval - 6in x 10.34in - 14in body - 19in overall |
| Material | T-304 stainless steel |
| Part Number | 400957 |
| Warranty | Million-Mile Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2015 | Chevrolet | Camaro | SS |
| 2008-2013 | Chevrolet | Corvette | Base |
| 2010-2013 | Chevrolet | Corvette | Grand Sport |
| 2014-2017 | Chevrolet | SS | Base |
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
