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1992-96 Corvette C4 5.7L - Force II Cat-Back Exhaust SystemYouTube Button

Flowmaster Force II Cat-back Exhaust System

Fits 1992-1996 Chevrolet Corvette with 5.7L engines.

PART# 817670

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Moderate sound


This Flowmaster Force II Cat-back system is for 1992-1996 Chevrolet Corvettes and is perfect for the person looking for a moderate exterior and mild interior exhaust tone. The bolt-on dual out the rear emissions-legal system is custom designed for the 5.7L LT-1 and LT-4 engines and includes a "straight through" tuned resonator assembly to eliminate interior drone and attaches to the back of the factory catalytic converters. Other system features include dual 2.50-inch mandrel-bent 409S stainless steel tubing flowing into a pair of specially designed 60 Series performance mufflers featuring Delta Flow technology and are finished off with polished 304 stainless rectangular factory OEM style tips. The system is covered by our Flowmaster Lifetime Limited Warranty and includes all necessary parts, hardware and easy to follow instructions. Notes: For Chevrolet 5.7L 2-valve engines.


  • Includes Specially Designed Resonator & 60 Series Performance Mufflers
  • Rectangular OEM Style Polished 304 Stainless Steel Tips
  • Mandrel-bent 2.50-inch Stainless Steel Tubing
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • 409 Stainless Steel Construction
  • Lifetime Limited Warranty
  • Delta Flow Technology
  • Flowmaster Quality
  • Easy Installation


Catalytic Converter IncludedNo
Emission Code5
Exhaust SeriesForce II
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Mount TypeFlanged
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series60 Series
Muffler TypeWelded Baffle
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate
System TypeCat-back
Tip CutAngle
Tip Diameter (in)7.75 W x 2.00 H
Tip Edge StyleRolled
Tip FinishPolished
Tip Length (in)9
Tip LogoEmbossed
Tip MaterialStainless Steel
Tip Quantity2
Tip ShapeRectangle
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817670



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.

Tech Resources

Fits 1992-1996 Chevrolet Corvette with 5.7L 2V engines


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