Flowtech Axle-Back Exhaust Kit

1986-1991 C4 Corvette 5.7L 2-1/4" 304SS Axle-Back Exhaust System

PART# 11542FLT

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Flowtech exhaust products are the perfect combination of quality and value. This axle-back exhaust kit covers the 1986-1991 C4 Corvette with the 5.7L V8 engine.


  • Axle-back exhaust systems constructed of 2.25” 18-gauge, 304 stainless steel material maximizing strength and durability
  • Quality welds for strength, longevity, and good looks
  • High flow, straight through muffler design produces an aggressive exhaust note under acceleration and a mellow tone at idle
  • 4” polished 304 stainless steel quad tips adding maximum styling to your ride
  • Tube Geometry designed to use factory mounting points for hassle free installation


Application1986-1991 C4 Corvette
Emission Code5
Exhaust SeriesFlowtech
Material304 Stainless Steel
Primary Tube Dia.2-1/4 inch
Product TypeExhaust System
System TypeAxle-back
Part Number11542FLT


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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