C7 Corvette Grand Sport Borla ATAK 11856CB with NPP Exhaust (2017-2019)

C7 Corvette Grand Sport Borla ATAK Axle-Back Exhaust 11856CB with NPP (2017-2019)

Borla designed the ATAK 11856CB for C7 Grand Sport owners who want the most aggressive Borla sound level while keeping full NPP dual-mode function. This axle-back delivers a sharper ATAK edge when you get into the throttle, while keeping the cabin comfortable at cruise with a no-drone sound character.

Borla 11856CB Product Details

• System type: Axle-Back
• Sound level: ATAK (most aggressive Borla sound level)
• Fitment focus: C7 Grand Sport WITH NPP (dual-mode exhaust)
• Years: 2017–2019
• Engine: LT1 (6.2L)
• Transmission: Grand Sport Automatic
• Valves: Includes AFM and NPP valves
• Piping: 2.75" diameter (2.75" into muffler / dual 2.75" out)
• Tip style/finish: Dual 4.25" round intercooled ceramic black T-304 stainless tips on each muffler
• Tip exit: Quad center rear exit
• Construction: Premium T-304 stainless steel
• Upgrade path: Add Borla X-Pipe 60548 to create a Cat-Back system
• Warranty: Million-Mile Warranty (non-moving parts); exhaust valves covered for 1 year

Why C7 Grand Sport Owners Choose Borla ATAK 11856CB

• ATAK sound level with NPP dual-mode control
• No-drone cruising character designed to stay comfortable in the cabin
• Quad center-exit look with durable ceramic black intercooled tips
• Easy upgrade path to a full cat-back later with X-Pipe 60548

What to Expect After Installation

• A louder, sharper exhaust note than stock with a true ATAK edge
• Dual-mode adjustability through the factory NPP system
• A clean, aggressive rear appearance with quad center-exit ceramic black tips

Corvette Compatibility

• C7 Corvette Grand Sport (LT1) WITH NPP: 2017, 2018, 2019
• Fits: Grand Sport Automatic Transmission
• Not compatible: C7 Grand Sport Manual Transmission

Important install note: Non-moving parts are covered by a Million-Mile Warranty. Exhaust valves are covered for 1 year. Original equipment AFM and NPP actuator failures are not covered.

What Corvette Owners Say

“Exactly the kind of aggressive sound I wanted—wild when I’m on it, and still clean at cruise.”

FREE SHIPPING in the USA (where applicable). Order the Borla ATAK 11856CB today and give your 2017–2019 C7 Grand Sport (Automatic, NPP) a true ATAK sound with quad center-exit 4.25" ceramic black intercooled tips.