🚚Ships from Flowmaster — this item ships direct from the
manufacturer. It usually goes out quickly, but because it leaves their warehouse rather
than ours, delivery can take a little longer than our in-stock parts.
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
Vehicle Fitment
2019-2026 Chevrolet Silverado 1500
2019-2026 GMC Sierra 1500
2022 Chevrolet Silverado 1500 LTD
2022 GMC Sierra 1500 Limited
Please verify exact fitment for your trim and engine before ordering.
🚚 Vendor Direct Shipment: This item is not stocked in our warehouse and ships directly from the manufacturer. Please allow additional handling time before dispatch.
Manufacturer Part Number: 818113
Images are for illustrative purposes only. Actual product may vary.
⚠ WARNING (California Proposition 65): This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
