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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-817661
Force II Crossmember-Back Exhaust System 1974-1979 Corvette 5.7L V8
$1,39995
Ships on Sep 03, 2026
Lowest Price GuaranteeGM
- Force II Crossmember-Back Exhaust System
- 1974-1979 Corvette 5.7L V8
- 2.25" Tubing
- 3" Polished SS Tips
- Dual Out the Rear Exit
- 60 Series Delta Flow Muffler
- 409S Stainless Steel
Part TypeExhaust System
BrandFLOWMASTER
Package Height15.0
Package Width25.0
Package Length48.7
Weight64.0 PG
Muffler Inlet Inside Diameter2.25 in.
Hangers IncludedYes
Main Piping Diameter2.25 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Tip FinishPolished
Muffler Body Length17 in.
Sound LevelModerate/Mild
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler Quantity2
Muffler Inlet Outside Diameter2.50 in.
Muffler Flanged OutletNo
Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust TypeDual
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryExhaust Systems & Components
Exhaust Tip WallSingle Wall
Exhaust Tip Quantity2
Exhaust Tip FinishPolished
Exhaust Tip EdgeSlash Cut
Valve IncludedNo
Muffler TypeChambered
Pipe Material409 Stainless Steel
Muffler Body Width9.50 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity1
Muffler FinishBlack High-Temperature Paint Finish
Mount TypeFlanged
Inlet Diameter2.25 in.
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Rear
Muffler Body Height4 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler Series60 Series Delta Flow
Muffler IncludedYes
Exhaust Tip ConnectionWelded
Tail Pipe Outlet Outside Diameter2.25 in.
Valve TypeNot Applicable
Exhaust Tip Diameter3 in.
Part FitmentDirect Fit
Vendor Part Number817661
Package Qty1
Package TypeEA
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