Flowmaster 19-25 GM 1500 Trucks 2.7T American Thunder Cat-Back Exhaust System
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Description
This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2026 Chevrolet/GMC Silverado/Sierra with the 2.7-liter engine is manufactured using durable 409 stainless steel throughout and features dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and an American Thunder muffler is used for a moderate sound level and maximum performance. Gain up to 4 hp and 11 lbs-ft of torque at the rear wheels over stock. This system exits dual out the rear or dual out the side, with dual 3.50-inch polished tips for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
- Dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- 50 Series Big Block performance muffler delivers a deep, moderate performance tone and improves exhaust flow
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- Dual 3.50-inch polished tips exit dual out the rear or side for a custom look
- Gain up to 4 hp and 11 lbs-ft of torque at the rear wheels
- Flowmaster’s Lifetime Limited Warranty
- Fits 147-inch and 157-inch wheelbases
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2026 | Chevrolet | Silverado 1500 | Custom |
| 2022-2026 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | LT |
| 2022-2026 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2019-2026 | Chevrolet | Silverado 1500 | RST |
| 2019-2026 | Chevrolet | Silverado 1500 | WT |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom |
| 2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
| 2022 | Chevrolet | Silverado 1500 LTD | LT |
| 2022 | Chevrolet | Silverado 1500 LTD | RST |
| 2022 | Chevrolet | Silverado 1500 LTD | WT |
| 2019-2021 | GMC | Sierra 1500 | Base |
| 2019-2026 | GMC | Sierra 1500 | Elevation |
| 2022-2026 | GMC | Sierra 1500 | Pro |
| 2019-2026 | GMC | Sierra 1500 | SLE |
| 2022 | GMC | Sierra 1500 Limited | Elevation |
| 2022 | GMC | Sierra 1500 Limited | Pro |
| 2022 | GMC | Sierra 1500 Limited | SLE |
Part details
- Brand
- Flowmaster
- Part number
- 818113
- SKU
- FLO818113
- Category
- Catback
- Weight
- 39.03 kg
Fitment
Use the vehicle checker at the top of this page to see if this part fits your car. Not sure? Send us your VIN on WhatsApp and we will confirm before you order.
Check fitment on WhatsApp →Delivery & returns
- In stock in Doha: delivered within 24 hours.
- Ordered from the manufacturer: around 7 days.
- Returns follow our refund policy. Please confirm fitment before you order.

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QAR 2,993.99