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Flowmaster

Flowmaster 20-25 GM 2500HD 6.6L CCB FlowFX DOS Exhaust System - 718111

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$1,068.95
$949.95
(You save $119.00 )
SKU:
FLO718111
UPC:
090127130155
Availability:
Regularly stocked product
Category:
Exhaust, Mufflers & Tips>Catback
Clearance Item:
N
Core:
N
Core Price:
0
EPA:
N/A
LTL:
N
MPN:
718111
Proposition 65:
Y
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Description

This Flowmaster® Flow FX® cat-back exhaust system for the 2020-2025 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 Flow FX "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.

  • Flow FX “straight through” performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
  • 3.50 to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • Max increases of up to 9 hp and 10 lb-ft over the stock exhaust at the rear wheels
  • 4.50-Inch black ceramic coated tips add a custom look to the truck


This Part Fits:

YearMakeModelSubmodel
2020-2026ChevroletSilverado 2500 HDCustom
2020-2026ChevroletSilverado 2500 HDHigh Country
2020-2026ChevroletSilverado 2500 HDLT
2020-2026ChevroletSilverado 2500 HDLTZ
2020-2026ChevroletSilverado 2500 HDWT
2020-2026ChevroletSilverado 3500 HDHigh Country
2020-2026ChevroletSilverado 3500 HDLT
2020-2026ChevroletSilverado 3500 HDLTZ
2020-2026ChevroletSilverado 3500 HDWT
2020-2026GMCSierra 2500 HDAT4
2020-2021GMCSierra 2500 HDBase
2020-2026GMCSierra 2500 HDDenali
2022-2026GMCSierra 2500 HDPro
2020-2026GMCSierra 2500 HDSLE
2020-2026GMCSierra 2500 HDSLT
2020-2026GMCSierra 3500 HDAT4
2020-2021GMCSierra 3500 HDBase
2020-2026GMCSierra 3500 HDDenali
2022-2026GMCSierra 3500 HDPro
2020-2026GMCSierra 3500 HDSLE
2020-2026GMCSierra 3500 HDSLT

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