Fits 2020-2024 Chevrolet Silverado 1500; Cat-Back Exhaust System - 818113
Fits 2020-2024 Chevrolet Silverado 1500; Cat-Back Exhaust System - 818113
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Material:
This Flowmaster American Thunder cat-back exhaust system for the 2019-2024 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.
Features:
- Dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- Dual 3.50-inch polished tips exit dual out the rear or side for a custom look
- Includes complete hardware and factory styled hangers in the stock locations for an easy installation
- 50 Series Big Block performance muffler delivers a deep, moderate performance tone and improves exhaust flow
- Flowmaster?s Lifetime Limited Warranty
- Gain up to 4 hp and 11 lbs-ft of torque at the rear wheels
- Fits 147-inch and 157-inch wheelbases
Specs:
Brand | Flowmaster |
---|---|
California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
California Proposition 65 Chemical Name | Nickel (Metallic) |
California Proposition 65 Required | Yes |
Emission Code | 5 |
Exhaust Series | American Thunder |
Exit Position | DOR/S |
Inlet Tubing Diameter | 3.5 |
Material | 409 Stainless Steel |
Mount Type | Uses Factory Hangers |
Muffler Body Length (in) | 22 |
Muffler Color | Black |
Muffler Finish | Painted |
Muffler Inlet Diameter | 3.5 |
Muffler Inlet Location | Centered |
Muffler Material | 409S Stainless Steel |
Muffler Outlet Diameter | 2.5 |
Muffler Outlet Location | Dual Outlet |
Muffler Overall Length (in) | 28 |
Muffler Part Number | Kit Only |
Muffler Quantity | 1 |
Muffler Series | 50 Series Big Block |
Muffler Shape | Oval |
Muffler Type | Reflection |
Outlet Tubing Diameter | 2.5 |
Product Type | Exhaust System |
Single Dual | Dual |
Sound Level | Moderate |
System Type | Cat-back |
Tip Cut | Angle |
Tip Diameter | 3.5 |
Tip Edge Style | Cut |
Tip Finish | Polished |
Tip Length | 13 |
Tip Logo | Embossed |
Tip Material | 304 Stainless |
Tip Quantity | 2 |
Tip Shape | Round |
Tip Style | Double Wall |
Tubing Material | 409S Stainless Steel |
Application:
Year | Make | Model | Submodel |
---|---|---|---|
2020-2024 | Chevrolet | Silverado 1500 | Custom |
2022-2024 | Chevrolet | Silverado 1500 | Custom Trail Boss |
2019-2024 | Chevrolet | Silverado 1500 | LT |
2022-2024 | Chevrolet | Silverado 1500 | LT Trail Boss |
2019-2024 | Chevrolet | Silverado 1500 | RST |
2019-2024 | Chevrolet | Silverado 1500 | WT |
2019-2024 | GMC | Sierra 1500 | Elevation |
2022-2024 | GMC | Sierra 1500 | Pro |
2019-2024 | GMC | Sierra 1500 | SLE |
2023 | Chevrolet | Silverado 1500 | Base |
2022 | Chevrolet | Silverado 1500 LTD | Custom |
2022 | Chevrolet | Silverado 1500 LTD | LT |
2022 | Chevrolet | Silverado 1500 LTD | RST |
2022 | Chevrolet | Silverado 1500 LTD | WT |
2022 | GMC | Sierra 1500 Limited | Elevation |
2022 | GMC | Sierra 1500 Limited | Pro |
2022 | GMC | Sierra 1500 Limited | SLE |
2022 | Chevrolet | Silverado 1500 LTD | Custom Trail Boss |
2019-2021 | GMC | Sierra 1500 | Base |










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Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.