Flowmaster FlowFX Exhaust System - Fits 20-23 GM 2500HD 3500HD 6.6 Gas

Flowmaster FlowFX Exhaust System - Fits 20-23 GM 2500HD 3500HD 6.6 Gas

SKU:
FLO718111
$795.95
$885.00
(You save $89.05 )
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Condition:
New
Current Stock:
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Description
This Flowmaster® FlowFX® cat-back exhaust system for the 2020-2023 GM 2500HD/3500HD trucks with the 6.6-liter gas engine is manufactured using durable 409 stainless steel throughout and features 3.50 to dual 3.00-inch mandrel bent pipes for better exhaust gas flow, and a FlowFX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +9 hp and +10 lb-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic 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:

  • Max increases of up to 9 hp and 10 lb-ft over the stock exhaust at the rear wheels
  • 3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • 4.50-Inch black ceramic coated tips add a custom look to the truck
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • FlowFX “straight through” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
Warranty
Lifetime
Additional Information
Inlet:
3.5"
Outlet:
3" - Dual
Material:
Stainless Steel
Manufacturer Warranty:
Lifetime
Muffler Type:
Three Chamber
Tone:
Moderate / Aggressive
Manufacturer Part Number:
817933
Kit Type:
American Thunder
Muffler Series:
50 Series HD
Exit:
Dual Out Rear / Dual Out Side
Years:
2020 - 2023
Make:
Chevrolet / GMC
Model:
Silverado / Sierra - 2500HD / 3500HD
Engine:
6.6L Gas
Wheelbases:
Crew Cab / Short Bed
Notes 1:
Fits 2wd & 4wd
Tip Outlet Size:
4"
Notes 2:
Does not fit with 5th wheel tow package