C7 Corvette B&B Fusion Exhaust Grand Sport
Enhance your C7 Corvette Grand Sport with the B&B Fusion Exhaust System (part numbers FCOR-0677 and FCOR-0665), built for 2017-2019 models with factory NPP. This axle-back system provides a dual-mode sound profile, offering a deep, conversational tone at cruising speeds and a commanding roar when unleashed, with gains of up to 15 horsepower and 14 lb-ft of torque. Featuring quad 4-inch round or Speedway tips in polished or black finish, it elevates your Grand Sport’s look—shop now for a track-ready upgrade!
The B&B Fusion Exhaust System is crafted from 3-inch T304 stainless steel with mandrel-bent tubing, ensuring maximum airflow and durability for your LT1 V8. Its Gen 3 Fusion technology integrates the factory NPP valve, controlled by the ECU based on RPM and throttle position, to balance sound and performance. The shortened muffler design amplifies the aggressive tone when open, while eliminating drone at cruising speeds. Made in the USA, it includes all hardware for a bolt-on installation and a lifetime warranty.
With over 30 years of racing heritage, Billy Boat Exhaust designs this system to boost your C7 Grand Sport’s performance and sound. The straight-through design enhances throttle response, perfect for track days or spirited drives. Whether you’re carving corners in a 2017 Grand Sport or pushing a 2019 model to its limits, this exhaust delivers proven reliability and a dynamic driving experience.
Why Choose B&B Fusion Exhaust System?
- Dual-Mode Sound: Deep cruising tone, commanding roar on demand
- Track-Ready Boost: Up to 15 hp and 14 lb-ft of torque
- Robust Build: 3-inch T304 stainless steel construction
- Stylish Tips: Quad 4-inch round or Speedway tips
- Drone-Free Design: Fusion system eliminates drone
- Seamless Installation: Bolt-on with factory NPP integration
- USA-Made Reliability: Lifetime warranty included
What to Expect When You Choose B&B Fusion Exhaust
- Dynamic sound that shifts from deep to commanding
- Enhanced throttle response for track-ready drives
- Increased power for a spirited performance
- Striking rear styling with quad tip options
- Quiet cruising with no drone, thanks to Fusion tech
- Easy installation with no modifications needed
Corvette Compatibility
- C7 Corvette Grand Sport: 2017, 2018, 2019 (LT1 V8, with factory NPP)
- Product Note: Not compatible with Stingray, Z06, or ZR1 models. Includes quad 4-inch tips (round or Speedway)
- Allow 3-5 weeks for manufacturing
What Corvette Owners Say
“This B&B Fusion exhaust gave my Grand Sport a commanding roar on the track—no drone on the highway!” – Ryan K.
Explore more performance upgrades in our Corvette Axle Back and Cat Back Exhaust Collection.
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