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Flowmaster American Thunder Cat-back Exhaust System

Part # 817843
1 Review

Fits 2019-2024, 2026 RAM 1500 (New body) with 5.7L Hemi engine and factory dual tailpipes. - Aggressive to moderate sound

Flowmaster American Thunder Cat-back Exhaust System

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Free Shipping - Lower 48 US States
Advertised Price $1,126.95
$1,013.95
Save $113.00
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Delta Flow
5

Emissions

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.

See Emissions Details
The American Thunder® cat-back exhaust system for the 2019-2024, 2026 RAM 1500 (New body) with 5.7L Hemi engine and factory dual tailpipes is perfect for the person looking for a deep powerful exterior sound with all of the performance benefits that you would expect from Flowmaster®. This bolt-on emissions legal system features all mandrel-bent stainless steel tubing leading into a 50 Series™ HD muffler that was originally designed specifically for RAM Hemi engines to deliver maximum power and exterior sound quality, but with a moderately pleasant interior tone at cruising speeds. Other features include dual 3.00-inch tailpipes that clear the factory spare tire and are finished with large 4.00-inch black ceramic coated exhaust tips filling out the factory cutouts in the rear bumper. The system utilizes the factory hangers, includes all necessary parts, hardware and instructions for an easy installation you can do at home. Comes with Flowmaster's Lifetime Limited Warranty. Notes: Fits all 5.7L Hemi, 2/4 wheel drive models with 140.5, 144.6 and 153.5-inch wheelbases with 5.7 and 6.4-foot bed lengths.

Features:

  • Large 4.00-inch Black Ceramic Coated Tips
  • Mandrel-bent Dual 3.00-inch Tailpipes
  • Large 4-inch 50 HD Muffler Internals
  • Uses the Factory Hanger Locations
  • Deep Powerful Exterior Sound
  • Clears the Factory Spare Tire
  • Stainless Steel Construction
  • Quick and Easy Installation
  • Lifetime Limited Warranty

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
California Proposition 65Yes
CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeFlat Band
Clamps IncludedYes
Emission Code5
Exhaust SeriesAmerican Thunder
Exhaust Tip ColorBlack
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter4.00 IN
Exhaust Tip EdgeAngle Cut
Exhaust Tip FinishBlack Ceramic Coating
Exhaust Tip IntercooledNo
Exhaust Tip Length13.00 IN
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallDouble Wall
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet TypeFlanged
Main Piping Diameter3.00 IN
Mount TypeUses Factory Hangers
Mounting Bracket IncludedNo
Muffler Body Height5.00 IN
Muffler Body Length18.00 IN
Muffler Body Material409 Stainless Steel
Muffler Body ShapeOval
Muffler Body Width10.00 IN
Muffler ColorBlack
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler IncludedYes
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter3.00 IN
Muffler Inlet LocationCenter
Muffler Inlet Outside Diameter3.13 IN
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Diameter3.00 IN
Muffler Outlet LocationDual
Muffler Outlet Quantity2
Muffler Overall Length24.00 IN
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series50 Series HD
Muffler TypeChambered
Part TypeExhaust System
Pipe ColorSilver
Pipe Material409 Stainless Steel
Product TypeExhaust System
Sound LevelAggressive / Moderate
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter3.00 IN
Tail Pipe Quantity2
Dual
Tail Pipe Tapered OutletNo
Tip LogoEmbossed
TypeCat-Back
Valve IncludedNo
Valve TypeNot Applicable
UPC700042038466
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number817843
5

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.
Does not fit trucks with factory single exit tailpipe or 2019-2024 Classic body.
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*Free Shipping and Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Flowmaster American Thunder Cat-back Exhaust System
Flowmaster American Thunder Cat-back Exhaust System
Advertised Price $1,126.95
$1,013.95
Save $113.00