Description
Enhance your GM 1500 truck’s performance and sound with the Flowmaster Signature Series Cat-Back Exhaust System. Designed specifically for 2024–2025 Silverado and Sierra 1500 models equipped with the powerful 6.2-liter engine, this system delivers a perfect balance of aggressive sound, dyno-proven gains, and premium durability.
Constructed from premium 304 stainless steel, this high-performance exhaust system features a 3.5-inch inlet pipe that flows into a specially tuned Signature Series muffler. The system continues with dual 2.5-inch mandrel-bent tailpipes that exit through the factory bumper cutouts, retaining the OEM bezel for a clean, factory-finished look.
Key Performance Features:
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Made in the USA with high-grade 304 stainless steel for long-term durability
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Mandrel-bent tubing for maximum exhaust flow and minimized restriction
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Signature Series muffler delivers a deep, aggressive to moderate exhaust tone
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Includes OEM-style active valve for sound control via factory drive modes
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Gains up to 15 horsepower and 13 lb-ft of torque at the wheels
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Fully compatible with both 2WD and 4WD models
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Clamp-on installation using factory hanger locations for a no-cut, no-weld fit
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Fits 2024–2025 Silverado/Sierra 1500 6.2L (2WD/4WD)
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Additional Specifications:
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Tailpipe Exit: Dual rear exit
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Tip Finish: Natural (retains OEM bezel)
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Tubing Diameter: 3.50" inlet / dual 2.50" outlet
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Muffler Dimensions: 24" (L) x 8" (W) x 5" (H) Oval
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Muffler Type: Absorption, Signature Series
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Sound Level: Aggressive / Moderate
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Valve Compatibility: Includes OEM-style valve, actuator reused from stock system
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Warranty: Lifetime Limited Warranty
This cat-back system offers an ideal combination of performance, sound, and reliability, all while preserving emissions compliance. Whether you drive on the street, off-road, or push your truck to the limit, the Flowmaster Signature Series is engineered to deliver the performance gains and sound you expect from a top-tier American exhaust system.
Note: Legal for use on emissions-controlled vehicles. Complies with emissions regulations and does not affect emissions output.
