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American Thunder Cat-Back Exhaust System

Part Number 818113 (107163418)
$742.95 $1,518.95 SAVE 51%

In stockShips by 5th Oct
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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.

Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 4 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Features & benefits

  • 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

Specifications

CARB (California) Compliant Yes
Catalytic Converter Included No
Catalytic Converter Quantity 0
Clamping Type Flat Band
Clamps Included Yes
Country Of Origin US
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 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
Street Legal No
Tail Pipe Outlet Outside Diameter 2.50
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

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

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