Description
CORSA Performance Sport 3.0" Cat-Back Exhaust System with 4.0" Twin DRE Tips – 2021–2024 Chevrolet Suburban & GMC Yukon XL 5.3L V8
Unleash the power and sound your SUV deserves with the CORSA Performance Sport 3.0" Cat-Back Exhaust System, designed exclusively for 2021–2024 Chevrolet Suburban and GMC Yukon XL 5.3L V8 models equipped with a factory Dual Rear Exit exhaust. Engineered for performance, sound precision, and long-lasting quality, this system transforms your vehicle’s driving experience both on the road and under acceleration.
Built by the innovators behind No Drone Exhaust Technology, CORSA’s advanced engineering delivers an aggressive exhaust tone during acceleration while maintaining a drone-free interior at highway speeds—thanks to the brand’s Reflective Sound Cancellation® (RSC®) Technology.
Constructed from premium 3.0-inch 304 stainless steel, this Cat-Back system features a straight-through muffler design that eliminates factory flow restrictions, increasing horsepower, torque, and exhaust efficiency. The Dual Rear Exit (DRE) configuration finishes with bold 4.0-inch dual-wall Pro-Series tips, available in polished or black finishes, for a refined yet muscular appearance that enhances your vehicle’s rear profile.
CORSA’s precision-fit system ensures durability, optimal performance, and a distinctive exhaust note worthy of your Suburban or Yukon XL.
Key Features:
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3.0" Cat-Back Exhaust System – Optimized flow and sound performance
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Dual Rear Exit (DRE) with Twin 4.0" Pro-Series Tips – Polished or Black finish options
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Reflective Sound Cancellation® (RSC®) Technology – Aggressive tone, zero cabin drone
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304 Stainless Steel Construction – Corrosion-resistant and built to last
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Straight-Through Muffler Design – Eliminates restrictions for maximum power
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Sport Sound Level – Deep, performance-driven exhaust tone
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Designed for 2021–2024 Chevrolet Suburban & GMC Yukon XL 5.3L V8 (134.1" Wheelbase)
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Direct bolt-on installation for factory Dual Rear Exit systems
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Professional installation recommended
Factory Conversion Notice:
Part Numbers 21128 and 21128BLK are designed only for Dual Rear Exit factory exhaust vehicles.
If your vehicle is equipped with a Single Side Exit exhaust, the following GM parts are required for conversion prior to installation:
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Floor Pan Heat Shield (P# 84688688 ×1)
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Rear Shield Nuts (P# 11548585 ×5)
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Transmission Mount Bolt (P# 11589166 ×1–2)**
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Rear Exhaust Hanger (P# 84976677 ×1) [Prev: 23388785]
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Front/Rear Exhaust Hanger (P# 23388784 ×1–2)**
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Bumper Bracket Nuts (P# 15672093 ×2)
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Dual Exhaust Lower Bumper Cover (P# 84751055 ×1)
*Parts available through GM Authorized Dealers. List updated as of July 27, 2022.
**Verify all parts and quantities for your specific configuration before purchase.
Elevate your Suburban or Yukon XL with CORSA’s signature combination of performance, craftsmanship, and sound innovation—the perfect upgrade for discerning SUV owners.
