Borla ATAK rear-section (axle-back) exhaust for the 2014-2019 Chevrolet Corvette C7 6.2L V8, including Stingray and 2017-2018 Grand Sport models. Built from mandrel-bent T-304 stainless steel with 2.75" piping and quad 4.25" round rolled, intercooled polished tips. ATAK is Borla’s loudest sound level, delivering maximum output across the rev range with patented straight-through, multi-core technology that eliminates drone at highway speeds. Fits cars equipped with AFM valves and without NPP (active exhaust); excludes Grand Sport with manual transmission.
Specifications
| Type | ATAK rear-section (axle-back) exhaust system |
| Material | T-304 stainless steel, mandrel-bent |
| Pipe Diameter | 2.75" |
| Tip | Quad 4.25" round rolled, intercooled, polished |
| Sound Level | ATAK (aggressive — Borla’s loudest) |
| Fitment Note | For cars with AFM valves, without NPP; excludes Grand Sport manual |
| Part Number | 11863 |
| Warranty | Borla Million-Mile Warranty (1-year on exhaust valves) |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2018 | Chevrolet | Corvette | Grand Sport |
| 2014-2019 | Chevrolet | Corvette | Stingray |
Shipping
- Orders placed before 3 PM ET 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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