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817661 - Flowmaster Force II Crossmember-back Exhaust System - default Image
817661 - Flowmaster Force II Crossmember-back Exhaust System - additional Image
817661 - Flowmaster Force II Crossmember-back Exhaust System - additional Image
1974-79 Corvette C3 5.7L- Crossmember back Force II Exhaust System 817661YouTube Button

Flowmaster Force II Crossmember-back Exhaust System

Fits 1974-1979 Chevrolet Corvette with 350 Cubic inch engine. (Not Emissions Legal for 1975-1979 Vehicles).

PART# 817661

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Fits 1974-1979 Chevrolet Corvette with 350 Cubic inch engine. (Not Emissions Legal for 1975-1979 Vehicles).

Overview

Flowmaster's Force II Crossmember-back system for the 1974-1979 Chevrolet Corvette is perfect for the person looking for a moderate exterior and mild interior exhaust tone, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out the Rear) system for the 5.7L V8 features specially tuned stainless steel 60 Series Delta Flow mufflers, a Scavenger X-pipe assembly and 2.25" 409S stainless steel tailpipes. Like all Flowmaster systems, the pipes are all mandrel bent to reduce any restrictions and maximize performance. The system finishes with 3.00" polished 304S stainless steel tips. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: Intended for Off Road Use Only on 1975-1979 Models.

Features:

  • Stainless Steel Construction
  • Dyno Tuned For Maximum Performance
  • Delta Flow Technology
  • Lifetime Limited Warranty

Specs

2WD/4WDRWD
BrandFlowmaster
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
ColorBlack
Emission Code4
Exhaust SeriesForce II
Exit PositionDual Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.25
MaterialStainless Steel
Mount TypeFlanged
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series60 Series Delta Flow
Muffler TypeWelded Baffle
Outlet Diameter (in)2.25
Product TypeExhaust Systems / Kits
ShapeOval
Single DualDual
Sound LevelMild/Moderate Sound
System TypeCrossmember-back
Tip CutAngle
Tip Diameter (in)3
Tip Edge StyleCut
Tip FinishPolished
Tip Length (in)4.75
Tip LogoEmbossed
Tip MaterialStainless Steel
Tip Quantity2
Tip ShapeRound
Tip StyleSingle Wall
Tubing Diameter (in)2.25
Part Number817661

Emissions

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

Fits 1974-1979 Chevrolet Corvette with 350 Cubic inch engine. (Not Emissions Legal for 1975-1979 Vehicles).

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