Skip to product information
1 of 5

CORSA Performance

CORSA 14866 3.5" Sport Cat-Back Exhaust for 14-18 Chevy Silverado/Sierra 6.2L

Regular price
$2,249.99
Regular price
$2,451.99
Sale price
$2,249.99
Shipping calculated at checkout.

In Stock: 18

Orders by 1pm PST ship same business day

Free Shipping w/3-4 Day Delivery

Authorized Dealer

Fitment Guarantee

30-Day Hassle Free Returns


Product Specification:

SKU:COR14866

MPN: 14866

UPC: 847466013003

Weight: 67.7 lb

Inventory: 18

Type: Catback



Vehicle Fitment

  • 2014-2018 Chevrolet Silverado 1500 6.2 L V8 (Crew Cab, Double Cab, Short/Standard Bed)
  • 2014-2018 GMC Sierra 1500 6.2 L V8 (Crew, Double Cab, Short/Standard Bed)
  • 2019 Silverado/Sierra Classic 6.2 L V8 (Classic body style only)

Fitment Notes

  • 3.5" cat-back system--single-side exit, dual 4.5" tips
  • Hand-fit for 143.5" and 153" wheelbases; verify classic body style for 2019
  • Not compatible with air-suspension or 5.3 L variants

Features

  • Premium T304 stainless steel with mandrel-bent pipes and Pro-Series tips
  • Patented Reflective Sound Cancellation (RSC®) for aggressive acceleration tone and cruise silence
  • Sport-grade sound level--AMG roar under load, drone-free cruise
  • No welding--complete bolt-on install with OE-style clamps and hangers
  • 400 %+ flow increase over stock for power gains
  • Proudly engineered and made in Ohio, USA
  • Limited lifetime warranty covers the original owner with purchase proof
  • Optional Black PVD tip variant available

Specifications

  • Pipe diameter: 3.5" main, dual 4.5" tips
  • Exit: Single-side with dual slash-cut tips
  • Material: 100 % T304 stainless steel, polished or black PVD
  • Warranty: Limited lifetime (original purchaser)

Included Components

  • 1x CORSA 14866 cat-back piping and muffler assembly
  • 2x 4.5" Pro-Series slash-cut tips (polished or optional Black PVD)
  • All required clamps, hangers, hardware, and installation guide

Product Description

The CORSA 14866 3.5" Sport cat-back exhaust system is tailored for 2014-2019 6.2 L Silverado & Sierra trucks (Classic only in 2019). Featuring mandrel-bent T304 stainless piping and dual 4.5" Pro-Series tips, this bolt-on upgrade delivers a powerful AMG-style tone under throttle with drone-free cruising thanks to CORSA's patented RSC® technology.

Installation is simple--no welding, direct-fit with OE hangers, and engineered for both 143.5" and 153" wheelbases. The system boosts exhaust flow by over 400% compared to stock, offering horsepower and torque gains while maintaining comfort. Backed by a limited lifetime warranty and built in Ohio, it's a premium exhaust solution for performance truck owners.

Photo - Primary
Photo - Mounted
Photo - Mounted
User 3