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Flowmaster

Flowmaster 20-25 GM 2500/3500 6.6L GAS Direct Fit FlowFX Muffler - 718155

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$479.95
$425.95
(You save $54.00 )
SKU:
FLO718155
UPC:
090127977781
Availability:
Regularly stocked product
Category:
Exhaust, Mufflers & Tips>Muffler
Clearance Item:
N
Core:
N
Core Price:
0
EPA:
N/A
LTL:
N
MPN:
718155
Proposition 65:
Y

Out of stock

Description

Flowmaster's® Flow FX Direct-Fit Muffler exhaust system for the 2020-2026 GM 2500HD and 3500HD trucks with the 6.6L gas engines gives you a great value packed way to help you customize your GM truck to your personality. This performance muffler system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a 409 stainless steel Flow FX series "straight-through" muffler for great sound and maximum performance and no drone. The muffler then connects to the factory tailpipe for a simple and effective performance upgrade. Max dyno gains of 7 hp and 5 lb-ft at the rear wheels. This results in better acceleration and towing performance. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Kits include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.
Installation Instructions
Warranty


  • A tuned Flow FX style muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow with no drone
  • Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
  • 3.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
  • Max increases of up to 7 hp and 5 lb-ft over the stock exhaust at the wheels
  • Tuned performance muffler eliminates interior drone
  • Maintains factory warranty
  • Lifetime Limited Warranty


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
2024-2026ChevroletSilverado 2500 HDZR2
2020-2026ChevroletSilverado 3500 HDHigh Country
2020-2026ChevroletSilverado 3500 HDLT
2020-2026ChevroletSilverado 3500 HDLTZ
2020-2026ChevroletSilverado 3500 HDWT
2020-2026GMCSierra 2500 HDAT4
2024-2026GMCSierra 2500 HDAT4X
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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