
FLOWMASTERPART NUMBER: 389-817853
817853 American Thunder Cat-back Exhaust System; Fits Select GM; Silverado/Sierra 1500 (New Body Style) 5.3L engines
$1,29995
5 left in stockAmerican Thunder Cat-back Exhaust SystemFits Select GM; Silverado/Sierra 1500 (New Body Style) 5.3L engines Sound Level: Aggressive To Moderate Sound Sold Individually
FLOWMASTER MUFFLERS 817853 Features:
This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2023 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.- Large 3.50 inch Polished 304 Stainless Tips
- Uses the Factory Hanger Locations
- Deep, Powerful Performance Tone
- Full Stainless Steel Construction
- Clears Factory Spare Tire
- Lifetime Limited Warranty
- Mandrel-bent Tubing
- Easy Installation
- Max Dyno Gains of 21 hp and 23 lb.ft. of Torque
Part TypeExhaust System
BrandFLOWMASTER
Package Height9.75
Package Width15.25
Package Length49.0
Weight20.75 PG
Muffler Inlet Inside Diameter3 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Body Length13.50 in.
Sound LevelAggressive / Moderate
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler Quantity1
Muffler Inlet Outside Diameter3.13 in.
Muffler Flanged OutletNo
Exhaust Tip ResonatedNo
Muffler Outlet LocationDual
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryPerformance Parts
Exhaust Tip WallDouble Wall
Exhaust Tip Quantity2
Muffler Inlet LocationCenter
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 IncludedYes
Muffler Outlet Quantity2
Muffler FinishBlack High-Temperature Paint Finish
Mount TypeUses Factory Hangers
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Rear
Muffler Body Height5 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 40 Series
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
Tail Pipe Outlet Outside Diameter2.50 in.
Valve TypeNot Applicable
Exhaust Tip Diameter3.50 in.
Part FitmentDirect Fit
Vendor Part Number817853
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations