Chevrolet Silverado 1500 Performance Exhaust - Flowmaster - FlowFX with W.A.V.E. Technology - `19-`26
Chevrolet Silverado 1500 Performance Exhaust - Flowmaster - FlowFX with W.A.V.E. Technology - `19-`26

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Chevrolet Silverado 1500 Performance Exhaust - Flowmaster Flow FX with W.A.V.E. Technology (2019–2026). A direct‑fit dual‑mode muffler with a deep tone and push‑button open‑valve sound for your 5.3L Silverado.
Built around the Power Chamber and Flow FX straight‑through muffler, this stainless system mates to the factory tailpipe. A wireless actuator opens a 3.00-inch turndown dump for an aggressive bypass, or closes for a composed cruise. Includes actuator, control unit, two key fobs, wiring, hardware, and instructions. Max dyno gains: 9 hp and 11 lb‑ft at the rear wheels. Fits 2019–2026 Silverado 1500 5.3L (new body), 2/4WD; not for 2019 Classic.
Features
- W.A.V.E. wireless active valve
- Direct‑fit dual‑mode muffler
- Power Chamber with 3.00‑in dump
- Mandrel‑bent stainless steel
- Two wireless key fobs included
Questions? Call our specialists. Installation and customization available at our Austin, TX and Los Angeles, CA area shops: TX 512-982-9393, CA 562-981-6800. Buying multiple items? Ask about shipping discounts; we install on premises at both locations.
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