Corsa 21126BLK Sport Cat-Back Exhaust for 2021-25 Chevy Suburban 5.3L V8

Vehicle Fitment

• 2021-2025 Chevrolet Suburban (5.3L V8, Single Side Exit)

Features

• Sport Series cat-back exhaust system for performance upgrades
• CORSA patented Reflective Sound Cancellation (RSC) technology
• Aggressive yet balanced sport exhaust tone under acceleration
• Mandrel-bent 3" stainless steel tubing for optimal flow
• Single side exit with twin 4" Pro-Series black PVD tips
• Bolt-on installation with no cutting or welding required
• Improves exhaust flow and throttle response
• Limited lifetime CORSA warranty

Specifications

• Part Number: 21126BLK
• Configuration: Cat-Back Exhaust System
• Material: 304 Stainless Steel
• Main Pipe Diameter: 3.0" mandrel-bent
• Exit Type: Single side exit
• Tip Diameter: Twin 4" Pro-Series black tips
• Sound Level: Sport (aggressive tone, controlled drone)
• Fitment: Direct-fit for Chevrolet Suburban 5.3L V8
• Installation: Bolt-on (hardware included)

Included Components

• 1x Cat-back exhaust assembly
• 1x Pair of twin 4" Pro-Series black tips
• 1x Hardware & clamps kit
• 1x Printed installation instructions

Product Description

The CORSA 21126BLK Sport Cat-Back Exhaust System is engineered specifically for 2021-2025 Chevrolet Suburban models equipped with the 5.3L V8. Built from durable 304 stainless steel and featuring mandrel-bent 3" tubing, this performance exhaust delivers enhanced exhaust flow, an aggressive sport sound profile and improved throttle response over the factory system. Its sport-focused acoustic tuning, combined with CORSA's patented Reflective Sound Cancellation (RSC) technology, provides a deep, satisfying growl under acceleration while minimizing unwanted cabin drone at cruising speeds.

This direct-fit cat-back exhaust installs easily on vehicles with the correct wheelbase using included hardware without cutting or welding. The single side exit design with twin 4" black Pro-Series tips adds a bold visual upgrade at the rear and complements the Suburban's stance and performance character. Backed by CORSA's limited lifetime warranty, the 21126BLK is ideal for Chevy Suburban owners who want a substantial improvement in sound and flow without compromising everyday drivability.