Borla ATAK Cat-Back Exhaust for C8 Corvette Stingray with NPP (140839CF)
Borla built the ATAK 140839CF for C8 Stingray owners who want a louder, sharper exhaust personality while keeping factory NPP (dual-mode) valve function. This system uses SwitchFire® and the Polyphonic Harmonizer to deliver a clean, rich, full-bodied tone with an aggressive ATAK edge, finished with carbon fiber tips for a modern rear look.
Borla 140839CF Product Details
- System type: Cat-Back
- Sound level: ATAK (most aggressive Borla sound)
- Fitment focus: C8 Stingray with factory NPP (dual-mode)
- Engine: LT2 (Stingray)
- Valves: Includes AFM (2020–2021) / DFM (2022+) valves and NPP valves
- Important: Do NOT install on vehicles without O.E. NPP
- Technology: SwitchFire® + Polyphonic Harmonizer
- Construction: T-304 stainless steel
- Heat management: Includes heat shielding
- Tips: Quad (2 per side) 4" round carbon fiber tips with bright centers
- Shipping: System ships in 2 boxes
- Warranty: Borla Million Mile Warranty
Why C8 Owners Choose the ATAK 140839CF
- Maximum sound upgrade while keeping NPP valve behavior
- Cleaner, fuller tone shaped by SwitchFire® and Polyphonic tuning
- Heat shielding included to help protect surrounding components
- Carbon fiber tips with bright centers sharpen the rear appearance
What to Expect After Installation
- More presence at throttle with a sharper ATAK edge
- A richer, more “finished” note than many ultra-loud systems
- Dual-mode operation that still behaves like a factory-style valved setup
Corvette Compatibility
- Fits 2020–2026 Chevrolet Corvette C8 Stingray (6.2L LT2) with factory NPP (dual-mode) exhaust.
- Coupe and Convertible models
- Transmission: C8 Stingray automatic (DCT) applications
Important install note: After installation, the exhaust valve actuators should be re-calibrated according to GM Document ID 5406413. Borla recommends having a Chevrolet dealer perform the exhaust valve recalibration service.
What Corvette Owners Say
“ATAK is the aggressive sound I wanted, and the valved behavior still works like stock.”
Ready to upgrade? Order the Borla ATAK 140839CF today and give your C8 Stingray an aggressive, full-bodied sound with carbon fiber tips to match.
✅ In-stock items ship within 24–48 hours via Standard Ground.
✅ Free shipping items are available in the Continental US only.
✅ Custom quotes available for 2-Day, Next Day, or Saturday delivery.
✅ Custom or backordered items ship as soon as available.
