CORSA Performance 21033-1 Sport 3" Cat-Back DRE 2019-2023 Silverado Sierra 6.2L

Vehicle Fitment

• 2019-2023 Chevrolet Silverado 1500 - 6.2L V8 - Crew Cab Short Bed (147.5" Wheelbase)
• 2019-2023 Chevrolet Silverado 1500 - 6.2L V8 - Double Cab Standard Bed (147.5" Wheelbase)
• 2022 Chevrolet Silverado 1500 LTD - 6.2L V8 - Crew Cab Short Bed or Double Cab Standard Bed (147.5" Wheelbase)
• 2019-2023 GMC Sierra 1500 - 6.2L V8 - Crew Cab Short Bed or Double Cab Standard Bed (147.5" Wheelbase)
• 2019-2023 GMC Sierra 1500 Denali - 6.2L V8 - Crew Cab Short Bed or Double Cab Standard Bed (147.5" Wheelbase)
• 2022 GMC Sierra 1500 Limited - 6.2L V8 - Crew Cab Short Bed or Double Cab Standard Bed (147.5" Wheelbase)

Fitment Notes

• Fits 147.5" wheelbase configurations only - does NOT fit Crew Cab Long Bed or Regular Cab applications (157" wheelbase - see 21034)
• Fits 6.2L V8 only - does NOT fit 5.3L V8 or other engine options
• As of the 9/14/2022 revision, also fits trucks equipped with the Max Tow Package (updated design includes clearance for Max Tow wiring harness)
• Tips are NOT included - system reuses the factory exhaust bezels/tips (bolt-on to OEM tip housings)
• Catalytic converters are NOT included - system installs cat-back from the factory cats rearward
• No cutting or welding required - direct bolt-on installation
• 50-State Legal

Features

• Patented RSC® (Reflective Sound Cancellation) Technology delivers a Sport-level aggressive V8 exhaust note with zero drone at highway cruise
• Sport sound level - distinct rumble at idle, aggressive sound through the gears, completely drone-free during cruise
• 3.0" mandrel-bent primary tubing transitioning to 2.5" - 47% flow increase over the factory exhaust system
• Dual rear exit design routes through the factory tip bezels for a clean, integrated OEM-style appearance
• Average performance gains of +17 HP and +15 lb-ft of torque over the factory system
• Premium stainless steel construction throughout for lasting performance and corrosion resistance
• Bolt-on installation with all hardware included - no welding or cutting required
• Detailed printed installation instructions included
• Limited Lifetime Warranty - covered for as long as you own the vehicle with proof of purchase
• Designed, engineered, and manufactured in the USA

Specifications

• System Type: Cat-Back, Dual Rear Exit
• Sound Level: Sport
• Pipe Diameter: 3.0" (primary) to 2.5" (exit)
• Tip Style: Reuses OEM Factory Bezels/Tips (no aftermarket tips included)
• Muffler Quantity: 1
• Muffler Configuration: Single Inlet / Single Outlet
• System Material: Stainless Steel
• Flow Increase: 47% vs. stock
• Power Gain: Up to +17 HP / +15 lb-ft Torque
• Wheelbase: 147.5"
• Catalytic Converters Included: No
• Aftermarket Tips Included: No
• Hardware Included: Yes
• Warranty: Limited Lifetime
• Country of Origin: USA

Included Components

• Cat-back exhaust assembly - dual rear exit (full mid-pipe and muffler section)
• All necessary clamps, hangers, and mounting hardware
• Detailed printed installation instructions
• Note: Aftermarket exhaust tips are NOT included - system is designed to reuse factory OEM bezels/tips

Product Description

The CORSA Performance 21033-1 is an updated Sport-level cat-back exhaust system engineered for the 2019-2023 Chevrolet Silverado 1500 and GMC Sierra 1500 with the 6.2L V8, in Crew Cab Short Bed and Double Cab Standard Bed configurations (147.5" wheelbase). It is the revised production version of the original 21033, updated to include proper clearance for the Max Tow Package wiring harness on applicable trucks.

The system delivers CORSA's patented RSC® (Reflective Sound Cancellation) technology through 3.0" mandrel-bent stainless tubing, achieving a 47% flow increase over stock and delivering up to +17 HP and +15 lb-ft of torque. The dual rear exit design routes through the factory tip bezel housings, preserving the clean OEM look while transforming the exhaust note into a Sport-level V8 rumble. No aftermarket tips are included - factory bezels are reused. Bolt-on fitment, all hardware included, and backed by CORSA's Limited Lifetime Warranty.