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Flowtech Axle-Back Exhaust System

2018-2020 Mustang GT 5.0L without factory valve system. 2.5" stainless pipes with 3.5" Quad Tips

PART# 52018FLT

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Aggressive to moderate sound


This Flowtech Axle-back exhaust system uses mandrel bent 2.50" diameter 409SS stainless steel for strength, durability, and performance. The high-flow straight through mufflers offer a deep, aggressive exhaust tone. The system has 3.50" polished 304SS stainless steel quad exhaust tips and uses the OEM mounting points for a factory-like fitment.


  • 2.50” diameter 409 stainless steel construction for maximum strength and durability
  • High-flow, straight through mufflers offer a deep, aggressive exhaust tone
  • 3.50” Polished 304 stainless steel Quad Exhaust Tips
  • Quality welds for strength, longevity and good looks
  • Tube geometry designed for hassle-free installation
  • Utilizes OEM mounting points for factory-like fitment


Emission Code5
Exhaust SeriesFlowtech
Exit PositionDual Out Rear
Heat ShieldNo
Material409 Stainless Steel
Mount TypeUses Factory Hangers
Muffler ColorNatural
Muffler FinishPolished
Muffler Inlet Diameter2.5
Muffler Inlet LocationCentered
Muffler Material409SS Stainless Steel
Muffler Outlet Diameter2.5
Muffler Outlet LocationCentered
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesFlowtech
Muffler ShapeRound
Muffler TypeAbsorption
Product TypeExhaust System
Single DualDual
Sound LevelAggressive / Moderate
System TypeAxle-back
Tip CutAngle
Tip Diameter3.5
Tip Edge StyleRolled
Tip FinishPolished
Tip LogoNone
Tip Material304 Stainless
Tip Quantity4
Tip ShapeRound
Tip StyleSingle Wall
Tubing Diameter (in)2.5
Tubing Material409SS Stainless Steel
Part Number52018FLT



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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