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CORSA Performance

Corsa 2021-25 Chevrolet Suburban 5.3L 4WD Single Side 3in Sport Cat-Back 4in DW Round Black PVD Tip

$1,758.16 $1,612.99 Save $145.17

SKU: C009 21126BLK

In Stock
In Stock
Ships by Aug 30
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Corsa Performance 21126BLK Sport Series Cat-Back Exhaust System is engineered for maximum exhaust flow, dyno-proven performance gains, and up to 14 decibels of added volume. It features Corsa's patented No Drone, Reflective Sound Cancellation (RSC) Technology, providing an aggressive cold start, moderate acceleration note, and stock-like in-cabin drone. Constructed from corrosion-resistant T-304 stainless steel with mandrel-bent tubing, it offers easy bolt-on installation with clamp-on slip joints and factory-style hangers, requiring no cutting. Made in the USA with a Limited Lifetime Warranty.
Show original supplier description

Part #: 21126BLK

dB by CORSA's patented Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance.

3.0in. Single Side Exit Cat-Back Exhaust System with Twin 4.0in. Tips

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandCORSA Performance
Part NumberC009 21126BLK

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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