Exhaust› Exhaust Pipes, Systems and Components
Flowmaster
American Thunder Cat-Back Exhaust System 2004-2005 Dodge Ram 1500 With 5.7L Hemi Engine Fits All Wheelbases Moderate Sound Flowmaster
SKU: F00L 817513
Easy — 1–2 hours
Overview
Show original supplier description
Part #: 817513
This Flowmaster American Thunder Cat-back System is for 2004-2005 Dodge Ram 1500 trucks with 5.7L Hemi engine and all wheelbases. Manufactured using durable 409S stainless steel, the kit features a 2.75-inch to 3.00-inch adapter pipe which flows into the 50 Series HD single in/out muffler and into a single 3.00-inch mandrel-bent stainless steel tailpipe. The 3.00-inch tailpipe exits on the passenger side of the vehicle behind the rear tire and is finished off with a 3.50-inch polished stainless steel Flowmaster tip. As an American Thunder system, it provides improved horsepower, mileage and torque along with a deep, moderate sound level on the inside and outside of the vehicle. Instructions and all the necessary hardware are included with the kit for an easy bolt-on installation. Covered by our Lifetime Limited Warranty.
Features:
- Includes Hangers and Hardware for an Easy Installation
- Mandrel Bent 16 Gauge 409 Stainless Tubing
- Mandrel-bent 16 Gauge Stainless Steel Tubing
- Includes Hangers And Hardware For Easy Installation
- Connects After Factory Catalytic Converter
- Dyno Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- Premium Flowmaster Quality
- Moderate Exterior Exhaust Tone
- 3 Year Limited Warranty
- Lifetime Limited Warranty
- Made in the USA
- Easy Installation
American Thunder Cat Back Exhaust System | Single | Single Side Exit | Incl. 3 in. Tubing/50 Series (TM) HD Muffler/3.5 in. Polished Stainless Tip | 409 Stainless Steel
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Flowmaster |
| Part Number | F00L 817513 |
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy