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Flowmaster 818113 - American Thunder Cat-Back Exhaust System

Flowmaster 818113 - American Thunder Cat-Back Exhaust System

Flowmaster | 818113
SKU: FLO-818113
Regular price $742.95 USD
Regular price $1,518.95 USD Sale price $742.95 USD
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55 in stock

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Flowmaster 818113 - American Thunder Cat-Back Exhaust System

Flowmaster American Thunder Cat-Back Exhaust System

Fits 2019-2026 Chevrolet/GMC Silverado/Sierra 2.7-Liter, Cat-Back, Dual Out Rear/Side Exit, Stainless Steel Exhaust System

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
  • 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
Brand: Flowmaster
CARB (California) Compliant: Yes
Catalytic Converter Included: No
Catalytic Converter Quantity: 0
Category: Exhaust
Clamping Type: Flat Band
Clamps Included: Yes
Emission Code: 5
Exhaust Series: American Thunder
Exhaust Tip Color: Silver
Exhaust Tip Connection: Clamp-On
Exhaust Tip Cut: Angled
Exhaust Tip Diameter: 3.50
Exhaust Tip Edge: Angle Cut
Exhaust Tip Finish: Polished
Exhaust Tip Intercooled: No
Exhaust Tip Length: 13.00
Exhaust Tip Material: 304 Stainless Steel
Exhaust Tip Quantity: 2
Exhaust Tip Resonated: No
Exhaust Tip Shape: Round
Exhaust Tip Wall: Double Wall
Exit Style: Dual Out Side
Exit Style: Dual Out Rear
Finish: Natural
Gasket Or Seal Included: No
Grade Type: Performance
Hangers Included: Yes
Inlet Diameter: 3.50
Inlet Type: Flanged
Main Piping Diameter: 2.50
Mount Type: Uses Factory Hangers
Mounting Bracket Included: Yes
Muffler Body Height: 5.00
Muffler Body Length: 22.00
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 12.00
Muffler Color: Black
Muffler Finish: Black High-Temperature Paint Finish
Muffler Flanged Inlet: No
Muffler Flanged Outlet: No
Muffler Included: Yes
Muffler Inlet Connection: Slip-Fit
Muffler Inlet Inside Diameter: 3.50
Muffler Inlet Location: Center
Muffler Inlet Outside Diameter: 3.63
Muffler Outlet Connection: Slip-Fit
Muffler Outlet Diameter: 2.50
Muffler Outlet Location: Dual
Muffler Outlet Quantity: 2
Muffler Overall Length: 28.00
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: 50 Series Big Block
Muffler Type: Reflection
part type: Exhaust System
Pipe Color: Silver
Pipe Material: 409 Stainless Steel
Product Type: Exhaust System
Sound Level: Moderate
Spring Bolt Kit Included: No
Sub Category: Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter: 2.50
Tail Pipe Quantity: 2
Tail Pipe Quantity: Dual
Tail Pipe Tapered Outlet: No
Tip Logo: Embossed
Type: Cat-Back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65
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