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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-817628
Force II Cat-Back Exhaust System for 2011-2021 Jeep Grand Cherokee w/3.6L Engine
$1,11795
Ships on 09/10/2026
Lowest Price GuaranteeJeep
Force II Cat-Back Exhaust System2011-2021 Jeep Grand Cherokee 3.6L Engine Only 409S Stainless 2 1/2 in. Tubing 409S Stainless Super 50 Series Mufflers 4 in. 304 Stainless Tip Scavenger Series X-Pipe Single Rear Exit
Flowmaster 817628 Force II Cat-Back Exhaust System:
- Maximum dyno gains of 11 horsepower and 15 ft. lbs. of torque at the rear wheels
- Super 50 Series mufflers have a moderate to mild sound
- Tuned resonators eliminate interior drone
- 2 1/2 in.16-gauge mandrel bent stainless steel tubing promotes maximum exhaust flow
- 4 in. polished stainless steel tip
- Uses factory hanger locations
Part TypeExhaust System
BrandFLOWMASTER
Package Height15.25
Package Width16.25
Package Length59.75
Weight57.0 PG
Tailpipe Diameter (In.)2.5
Muffler Inlet Inside Diameter2.50 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantitySingle
Inlet TypeFlanged
Tip CutAngle
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Exit LocationSingle Rear
Muffler Body Length17.25 in.
Sound LevelModerate/Mild
Muffler Material409S Stainless Steel
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
System FinishNatural
Muffler Quantity1
Muffler Inlet Outside Diameter2.63 in.
Exit QuantityOne
Tip Material304 stainless steel
Muffler Flanged OutletNo
Tip Quantity1
Exhaust Tip ResonatedNo
Exhaust TypeDual in/Single out
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryPerformance Parts
Hardware IncludedYes
Exhaust Tip WallDouble Wall
Exhaust Tip Quantity1
Muffler Inlet LocationOffset
Exhaust Tip FinishPolished
Exhaust Tip EdgeAngle Cut
Valve IncludedNo
Muffler TypeReflection
Pipe Material409 Stainless Steel
Muffler Body Width10 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedNo
Muffler Outlet Quantity1
Muffler FinishBlack High-Temperature Paint Finish
Mount TypeUses Factory Hangers
Inlet Diameter2.50 in.
Clamps IncludedYes
Muffler StyleReflection
Tip Outlet Size4 in (101.6 mm)
FinishNatural
Exit StyleSingle Out Rear
Muffler Body Height5 in.
Tip IncludedYes
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 50
QuantitySold as a kit
Muffler IncludedYes
Exhaust Tip ConnectionWelded
System StyleCat-back
Tail Pipe Outlet Outside Diameter2.50 in.
System MaterialStainless steel
Valve TypeNot Applicable
Tip Edge StyleRolled edge
Tip ShapeRound
Intermediate Pipe Diameter2.5 in (63.5 mm)
Exhaust Tip Diameter4 in.
Vendor Part Number817628
Package Qty1
Package TypeEA
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