C7 Corvette Grand Sport MBRP Active Profile Axle-Back Exhaust (2017–2019)
The MBRP Active Profile Axle-Back Exhaust is built for 2017–2019 C7 Corvette Grand Sport models with the LT1 6.2L V8 and factory NPP active exhaust. Part number S70073CF is an ARMOR Pro 3-inch T304 stainless steel axle-back with quad 4.5-inch carbon-fiber dual-wall tips. It gives the Grand Sport a deeper MBRP exhaust tone while keeping factory-controlled exhaust valve operation.
Product Details
- Brand: MBRP
- Series: ARMOR Pro
- Profile: Active Profile
- Product Type: Axle-back exhaust system
- Fitment: 2017–2019 C7 Corvette Grand Sport
- Engine Fitment: LT1 6.2L V8
- Required Equipment: Factory NPP active exhaust
- Material: 3-inch T304 stainless steel
- Exit Style: Quad rear exit
- Tip Style: Carbon-fiber dual-wall tips
- Tip Size: Quad 4.5-inch outlets
- Part Number: S70073CF
- Installation Style: Direct-fit axle-back exhaust
- Tune Required: MBRP notes tuning may be required
- Warranty: MBRP Lifetime Warranty
- Shipping: Free Shipping in the USA
Benefits
- Active Profile sound for Grand Sport owners who want more LT1 exhaust tone
- Retains factory-controlled NPP exhaust valve operation
- T304 stainless steel construction supports long-term corrosion resistance
- Carbon-fiber 4.5-inch tips give the Grand Sport a stronger rear appearance
- Direct-fit axle-back layout focuses the upgrade on the rear exhaust section
- Good choice for Grand Sport and Grand Sport Z07 owners who want MBRP sound with factory valve control
Important Exhaust Notes
This MBRP Active Profile axle-back is built for C7 Corvette Grand Sport models equipped with factory NPP active exhaust. It is the MBRP choice for Grand Sport owners who want carbon-fiber tips, stainless construction, and factory-controlled exhaust valve operation.
MBRP notes that tuning may be required. Installation requires actuator transfer and proper wiring reconnection. After installation and the first heat cycles, recheck the clamps, wiring, exhaust clearances, and carbon-fiber tip alignment.
CORVETTE COMPATIBILITY
- Generation: C7 Corvette
- Model: Grand Sport
- Model Years: 2017–2019
- Engine Code: LT1 6.2L V8
- Required Equipment: Factory NPP active exhaust
- Packages: Grand Sport and Grand Sport Z07
- Body Styles: Coupe and convertible
- Transmission: Manual and automatic
Use Overview
Use this MBRP Active Profile axle-back when you want a deeper C7 Grand Sport exhaust tone, carbon-fiber quad-tip styling, and retained factory NPP valve operation for street driving and weekend use.
What Corvette Customers Say
C7 Grand Sport owners choosing the S70073CF usually want MBRP sound with factory active exhaust control. They are often comparing exhausts based on NPP compatibility, carbon-fiber tip appearance, stainless construction, and whether the system keeps quiet and loud valve behavior.
Why Buy This C7 Corvette Grand Sport MBRP Active Profile Exhaust From Custom Corvette Accessories?
Custom Corvette Accessories is enthusiast owned and operated, so we help confirm Grand Sport fitment, factory NPP requirements, and active valve operation before you order. This MBRP S70073CF axle-back includes carbon-fiber tips, Free Shipping in the USA, and Corvette-focused support.
✅ 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.