Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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Features, Description, Reviews, Q&A, Specs & Installation
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear - After Tire |
| Exhaust Loudness | Aggressive |
Performance Upgrade. The Flowmaster American Thunder Dual Exhaust System with Polished Tips; Side/Rear Exit enhances exhaust flow while adding up to 4 horsepower and 11 lb-ft of torque for the 2.7-liter Silverado 1500 truck. It is designed to improve engine performance and provide a distinct moderate exhaust tone, making it an essential upgrade for enthusiasts seeking better sound and power.
Construction and Appearance. Crafted with durable 409 stainless steel piping and featuring dual 2.50-inch mandrel bent pipes, this cat-back system offers longevity and smooth exhaust flow. The American Thunder muffler is finished in black high-temperature paint, complemented by dual 3.50-inch polished 304 stainless steel tips with angled cut edges for a sleek, customized look. The tips also feature an embossed logo for added style.
Installation. Installation is straightforward, utilizing existing factory hanger locations with the included hardware and instructions. No drilling or special modifications are required, allowing for a hassle-free, do-it-yourself upgrade.
Warranty. This exhaust system comes with a lifetime limited warranty to provide long-term peace of mind with your purchase.
Application. Specifically designed to fit 19-26 2.7L Silverado 1500.
Flowmaster 818113
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
What's in the Box
Tech Guides: