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Flowmaster Force II Cat-Back Exhaust System 17178

Flowmaster Force II Cat-Back Exhaust System 17178
Flowmaster Force II Cat-Back Exhaust System 17178Flowmaster Force II Cat-Back Exhaust System 17178Flowmaster Force II Cat-Back Exhaust System 17178
$838.99 ea
NEWARRIVING SOONEstimated Ship Date 03/26/2026 (If Ordered Today)1 Available from HOLLEY PERFORMANCE PRODUCTS as of 03/12/2026
Model: 4004960
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
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This Flowmaster® American Thunder® Cat-back System is for 1998-2001 Dodge Ram 1500 trucks with 3.9L, 5.2L or 5.9L engines and 1998-2002 2500/3500 trucks with the 5.9L engine, and all wheelbases. Manufactured using durable aluminized steel, the kit features two adapter pipes that flow into the 70 Series Big Block II™ performance muffler for a deep mellow tone with minimal interior resonance. The single 3.00-inch mandrel-bent tailpipe uses the factory hanger locations for easy mounting and exits on the passenger side of the vehicle behind the rear wheel which is ideal for towing. Includes all necessary parts and hardware for an easy bolt-on installation. Covered by our 3-year Limited Warranty. Notes: Fits both 2 & 4 wheel drive models and all wheelbases.
Features:
  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Aluminized Steel Tubing
  • 70 Series Big Block II Performance Muffler
  • Dyno-tuned for Maximum Performance
  • Mild Interior Tone with Minimal Drone
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Quick and Easy Installation
1998-2001 Dodge Ram 1500 trucks 3.9L, 5.2L or 5.9L engines/ 1998-2002 2500/3500 with 5.9L engine, fits 2/4 wheel drive models and all wheelbases.
Installation Notes:
1998-2001 Dodge Ram 1500 trucks 3.9L, 5.2L or 5.9L engines/ 1998-2002 2500/3500 with 5.9L engine, fits 2/4 wheel drive models and all wheelbases.
About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
17178_instructions.pdf1.95MB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Dodge Ram 1500 Laramie 1998 3.9L / 239 / V6
5.9L / 360 / V8
5.2L / 318 / V8
Dodge Ram 1500 Laramie 1999 3.9L / 239 / V6
5.9L / 360 / V8
5.2L / 318 / V8
Dodge Ram 1500 Laramie 2000 3.9L / 239 / V6
5.9L / 360 / V8
5.2L / 318 / V8
Dodge Ram 1500 Laramie 2001 3.9L / 239 / V6
5.9L / 360 / V8
5.2L / 318 / V8
Dodge Ram 1500 SS/T 5.9L 1998 5.9L / 360 / V8
Dodge Ram 1500 ST 1998 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 ST 1999 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 ST 2000 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 ST 2001 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 Sport 1998 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 Sport 1999 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 Sport 2000 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 Sport 2001 5.2L / 318 / V8
5.9L / 360 / V8
3.9L / 239 / V6
Dodge Ram 1500 WS 1998 3.9L / 239 / V6
Dodge Ram 1500 WS 1999 3.9L / 239 / V6
Dodge Ram 1500 WS 2000 3.9L / 239 / V6
Dodge Ram 1500 WS 2001 3.9L / 239 / V6
Dodge Ram 2500 Base 1998 5.9L / 360 / V8
Dodge Ram 2500 Base 1999 5.9L / 360 / V8
Dodge Ram 2500 Base 2000 5.9L / 360 / V8
Dodge Ram 2500 Base 2001 5.9L / 360 / V8
Dodge Ram 2500 Base 2002 5.9L / 360 / V8
Dodge Ram 3500 Base 1998 5.9L / 360 / V8
Dodge Ram 3500 Base 1999 5.9L / 360 / V8
Dodge Ram 3500 Base 2000 5.9L / 360 / V8
Dodge Ram 3500 Base 2001 5.9L / 360 / V8
Dodge Ram 3500 Base 2002 5.9L / 360 / V8

Specifications:

California Proposition 65 Required No
Emission Code 5
Exhaust Series Force II
Exit Position Single Side Exit
Heat Shield No
Inlet Diameter (in) 2.5
Material Aluminized Steel
Muffler Part Number 53070
Muffler Quantity 1
Muffler Series 70 Series Big Block
Outlet Diameter (in) 3
Part Type Exhaust System Kit
Product Type Exhaust System
Single Dual Single
Sound Level Moderate
System Type Cat-back
Tip Quantity Not Included
Tubing Diameter (in) 3
Warranty Time 36 Months

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