SKU: 615639 | UPC: 677418033228
Gibson 2021-2023 GMC Yukon XL 1500/Chevrolet Suburban 1500 5.3L Cat-Back Single Exhaust - Stainless
Gibson 615639 stainless cat-back exhaust system replaces the factory exhaust from the catalytic converter back with a single side exit behind the rear tire. Designed for 2021-2023 Chevrolet Suburban 1500 and GMC Yukon XL 1500 equipped with 5.3L V8 engines. Dyno tests prove gains of 10-15 horsepower and 15-20 lb-ft torque from 1800-3000 RPM for stronger acceleration, towing, hill climbing and passing power while staying quieter inside the cab.
Key Features
- Performance Gains: Dyno-tested increases of 10-15 HP and 15-20 lb-ft torque at low-end RPM for real-world power in towing and daily driving
- Single Side Exit: Positions outlet behind rear tire for clean appearance and balanced flow without drone
- Cab Comfort: Engineered to reduce interior noise more than other performance exhausts for a refined drive
- Bolt-On Design: Direct fit installation using factory hangers with no welding or cutting required
- Stainless Construction: Durable stainless steel tubing and muffler resist corrosion for long-lasting performance
Product Notes
- 3-inch pipe diameter with 4x6x14-inch muffler and 4-inch angle-cut tip for optimal flow
- EPA compliant for street-legal use across all states
- 59 lbs product weight ships in 48 x 18 x 18 inch box
Installation Notes
- Professional installation recommended.
- Hassle-free bolt-on process takes 1-2 hours with basic tools
- Uses provided stainless clamps and hangers for secure factory-like fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2023 | Chevrolet | Suburban | Commercial |
| 2021-2023 | Chevrolet | Suburban | LS |
| 2021-2023 | Chevrolet | Suburban | LT |
| 2021-2023 | Chevrolet | Suburban | Premier |
| 2021-2023 | Chevrolet | Suburban | RST |
| 2021-2023 | Chevrolet | Suburban | Z71 |
| 2021-2023 | GMC | Yukon XL | AT4 |
| 2021-2023 | GMC | Yukon XL | SLT |
Why Choose Gibson?
- Proven dyno results from in-house testing ensure verified power gains
- Premium stainless materials built for daily driving and heavy towing
- Lifetime limited warranty covers defects for peace of mind
Frequently Asked Questions
-
Q: Does this fit 2021-2023 Suburban and Yukon XL with 5.3L V8 only?
A: Yes, confirmed fit for listed 5.3L models and submodels. verify engine size before purchase -
Q: What material is used in the exhaust?
A: High-grade stainless steel tubing, spun saturator muffler and polished 4-inch tip for rust resistance and shine -
Q: What warranty and sound level can I expect?
A: Lifetime limited warranty. provides aggressive exterior tone with minimal cab drone for comfortable cruising
Shipping & Handling
- Method: UPS Ground or Freight
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed at 48 x 18 x 18 inches
- Weight: 59 lbs
Catback
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Exhaust Systems
Black Ops Auto Works carries one of the largest selections of performance exhaust systems available online, with 7,700+ products covering cat-back exhausts, axle-back exhausts, turbo-back systems, downpipes, headers, mid-pipes, X-pipes, H-pipes, mufflers, resonators, catalytic converters, exhaust tips, and every component in between. Whether you're building a street car, a daily driver, a diesel truck, or a track build, the right exhaust upgrade is here. Shop by Exhaust System Type Cat-Back Exhaust Systems: The most popular performance exhaust upgrade. Replaces everything from the catalytic converter back for improved sound, better flow, and premium tip styling. Available in single exit, dual exit, and quad exit configurations. Axle-Back Exhaust Systems: A simpler bolt-on that replaces the rear section from the axle back. Best for drivers who want an improved exhaust note and cleaner tip appearance without a full system swap. Headers and Manifolds: Long tube headers and shorty h...
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Gibson
Gibson Performance Exhaust has been manufacturing performance exhaust systems for American trucks and muscle cars since 1969, building a reputation for aggressive exhaust tones, mandrel-bent stainless steel construction, and direct-fit applications that require no cutting or welding. Gibson's catalog covers the full range of domestic truck and SUV applications from the Chevy Silverado and GMC Sierra to the Ford F-150 and Dodge Ram, with cat-back, axle-back, and header-back systems designed for both standard and lifted configurations. The brand is particularly known in the truck community for its attention to fitment quality on lifted vehicles, offering extended systems that properly route exhaust around lift kits without the clearance issues that plague universal exhaust solutions. Gibson systems are available in aluminized steel for budget-conscious buyers and polished stainless for premium installations. Popular Upgrades Gibson Performance Cat-Back exhaust systems for the Chevy Si...
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