Borla S-Type Axle-Back Exhaust System – Compatible with 2014–2019 Chevrolet C7 Corvette

Description

Unleash the true voice of your C7 Corvette with the Borla 11855 S-Type Axle-Back Exhaust. Engineered with mandrel-bent T-304 stainless steel and straight-through, multi-core construction, it delivers a deeper, more aggressive tone while maintaining daily drivability and minimizing drone. Its quad 4.25″ intercooled polished tips add show car presence, and the inclusion of both AFM and NPP valves means factory control is retained. Backed by Borla’s premium warranty, it’s a bolt-on upgrade that transforms your ride.

• Fits 2014–2019 Chevrolet Corvette (C7) models equipped with factory AFM (Active Fuel Management) and NPP (dual-mode exhaust) valves. 

• Excludes Grand Sport models with manual transmission (only the automatic version of Grand Sport is compatible) 

• Not compatible with Z06, ZR1, or non-NPP/AFM variants (unless you select alternate Borla versions)

Included

• 1 x Axle-back exhaust assembly (left + right side)

• 4 x 4.25″ polished intercooled stainless steel tips

• Mounting hardware and gaskets

• AFM & NPP valve integration assemblies

• Installation instructions / template

Product Specs

• Pipe diameter (inlet/outlet): 2.75″

• Tip size: 4.25″ (quad, angle-cut) polished stainless steel 

• Material: T-304 austenitic stainless steel 

• Sound profile: S-Type (moderate/aggressive, less drone) 

• Warranty: Million-mile warranty on non-moving parts; 3-year on exhaust valves (AFM/NPP)

Product Features

• Factory Valve Retention: Works with both AFM and NPP systems, preserving full factory exhaust control.

• No-Drone Engineering: Precision acoustic tuning ensures aggressive tone under load, yet minimal cabin drone during cruise.

• Straight-Through Flow Design: Mandrel-bent pipes and multi-core construction maximize exhaust velocity, reducing backpressure.

• Durability First: Built from premium T-304 stainless to resist corrosion and outlast cheaper 409/407 systems.

• Show-Ready Finish: Polished 4.25″ intercooled tips deliver clean, aggressive styling from the rear.

• Warranty Backed: Backed by Borla’s million-mile non-moving parts warranty and 3-year coverage on valve components.

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