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 400938 for the mellower Touring sound. Directional flow: the outlet end carries the welded mounting bracket. 2.5in offset inlet / 2.5in offset outlet on a 14in x 4.35in x 9in oval body. 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 | 2.5in inlet / 2.5in outlet |
| Configuration | Offset / Offset - directional |
| Body | Oval - 14in x 4.35in x 9in |
| Material | T-304 stainless steel |
| Part Number | 400946 |
| Warranty | Million-Mile Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2010-2015 | Chevrolet | Camaro | SS |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
| 2008-2013 | Chevrolet | Corvette | Base |
| 2010-2013 | Chevrolet | Corvette | Grand Sport |
| 2009-2013 | Chevrolet | Corvette | ZR1 |
| 2014-2016 | Chevrolet | SS | Base |
| 2009 | Pontiac | G8 | GXP |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- 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 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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