close promo banner icon

cat-back

Flowmaster 817709 - American Thunder Cat Back Exhaust System

rating-star review rating-star review 1rating-star review 2rating-star review 3rating-star review 4

$881.95

$979.95

You save: $98.00 (10%) off MSRP

stock messaging Out of StockOut of Stock
Order now to be added to the priority list
Check to see if this fits your vehicle

This part fits

  1. 2018 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  2. 2018 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  3. 2018 Ram 2500 Power Wagon 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  4. 2018 Ram 2500 Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  5. 2018 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  6. 2018 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  7. 2017 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  8. 2017 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  9. 2017 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  10. 2017 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  11. 2017 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  12. 2017 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  13. 2017 Ram 2500 Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  14. 2017 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  15. 2017 Ram 2500 Power Wagon 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  16. 2017 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  17. 2017 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  18. 2017 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  19. 2017 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  20. 2017 Ram 2500 Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  21. 2017 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  22. 2017 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  23. 2017 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  24. 2017 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  25. 2017 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  26. 2016 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  27. 2016 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  28. 2016 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  29. 2016 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  30. 2016 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  31. 2016 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  32. 2016 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  33. 2016 Ram 2500 Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  34. 2016 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  35. 2016 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  36. 2016 Ram 2500 Power Wagon 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  37. 2016 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  38. 2016 Ram 2500 Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  39. 2016 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  40. 2016 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  41. 2016 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  42. 2016 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  43. 2016 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  44. 2016 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  45. 2015 Ram 2500 Power Wagon 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  46. 2015 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  47. 2015 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  48. 2015 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  49. 2015 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  50. 2015 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  51. 2015 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  52. 2015 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  53. 2015 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  54. 2015 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  55. 2015 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  56. 2015 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  57. 2015 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  58. 2015 Ram 2500 Lone Star 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  59. 2015 Ram 2500 Lone Star 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  60. 2015 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  61. 2015 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  62. 2015 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  63. 2015 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  64. 2014 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  65. 2014 Ram 2500 Outdoorsman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  66. 2014 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  67. 2014 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  68. 2014 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  69. 2014 Ram 2500 Power Wagon 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  70. 2014 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  71. 2014 Ram 2500 SLT 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  72. 2014 Ram 2500 Tradesman 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  73. 2014 Ram 2500 ST 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  74. 2014 Ram 2500 Lone Star 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  75. 2014 Ram 2500 Lone Star 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  76. 2014 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  77. 2014 Ram 2500 Laramie Longhorn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  78. 2014 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  79. 2014 Ram 2500 Laramie 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  80. 2014 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 98.3 in. bed
  81. 2014 Ram 2500 Laramie Limited 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  82. 2014 Ram 2500 Big Horn 6.4L V8 cid:392 cc:6424 Crew Cab Pickup 76.3 in. bed
  83. show all...
Authorized Dealer

About this product

Part #: 817709

Flowmaster's American Thunder Cat-back exhaust system for the 2014 through 2018 Ram 2500 truck is perfect for the person looking for an aggressive sound level inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear/ Dual Out Side) emissions-legal system, for the Crew Cab Long Bed/Standard Bed and Mega Cab models with a 6.4L V8 engine and coil spring rear suspension, features a stainless steel 50 Series HD muffler and dual 3.0" stainless steel tailpipes. Like all Flowmaster systems the pipes are mandrel bent to reduce any restrictions and maximize performance. The system finishes off with polished 4.0" stainless steel tips. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: Does not fit with optional air bag suspension.

More Details

Catalytic Converter IncludedNo
ColorBlack Muffler; Natural Tubing
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Out Rear
Exit PositionDual Out Side
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter3.500 in.
Inlet Inside Diameter3.000 in.
MaterialStainless Steel
Mount TypeFlanged
Muffler Part NumberKit Only
Muffler Series50 Series HD
Muffler TypeReflection
Outlet Diameter3.000 in.
Outlet Outside Diameter3.000 in.
Single or DualDual
System TypeCat Back
Tail Pipe Diameter3.000 in.
Tip Diameter4.000 in.
Tip Edge StyleCut
Tip FinishPolished
Tip Length13.000 in.
Tip LogoEmbossed
Tip MaterialStainless Steel
Tip Quantity2
Tip TypeDouble Wall
TitleFlowmaster 817709 Cat-back System - DOR - American Thunder - Moderate Sound
Tubing Diameter3.000 in.
Additional Documents
  1. Certificate of Originpdf
  2. Installation Instructionspdf
  3. Warrantypdf

See what our community says about flowmaster products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
Any additional comments?
Stock exhaust, cut a 12in section off after the cats which are gutted. Love the sound, love the look of the exhaust tips so 90% of the exhaust is still intact.
View on Skylar's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Despite for a little 4 cylinder it sounds good
View on Chris's build
Sam Jacobson

451

Sam Jacobson
2013 Dodge Dart
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
I wanted an exhaust note on my car and it was a great price for what it is ($439.99)
Is this your first time buying from this brand? Did you consider other brands?
Yes, my expectations were perfect for what I got.
View on Sam's build
Julien Lefebvre

317

Julien Lefebvre
1990 Ford Mustang
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Best sounding muffler IMO
Was it easy to install? Any installation tips that will help others?
Yes
Once you've had a chance to use the product, did it meet your expectations?
Yes
Any additional comments?
No
View on Julien's build
Trevor Anderson

13

Trevor Anderson
2001 Ford Ranger
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Performance and sound
Is this your first time buying from this brand? Did you consider other brands?
Yes, first time
Was it easy to install? Any installation tips that will help others?
Professionally installed
Once you've had a chance to use the product, did it meet your expectations?
It sounds way better than I expected but I can’t fell a difference performance wise
View on Trevor's build
California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

*Some manufacturer restrictions apply.

About Flowmaster

Manufacturer of performance exhaust systems, mufflers, cold 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.

shipping-worldwide from warehouse

we ship worldwide!

Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

+ FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
Globe international shipping icon
Have a question? Ask an Expert!

Finding the best parts can be tricky

- but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

chat-iconLive Chat
Ask our expert tuners anything!
call_iconCall Us
1 (800) 959-4304
Decorative testimonal quote icon

What do you get when you mix Facebook, Amazon, and your favorite online car forum? You get Wheelwell.com.

undefined supporting their testimonial

Hot Rod Magazine

Decorative testimonal quote icon

Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

Matt Farah supporting their testimonial

Matt Farah

The Smoking Tire / The Drive

Decorative testimonal quote icon

This is an awesome new site where enthusiasts can get together and figure out what products work best on their ride.

undefined supporting their testimonial

The Truck Show Podcast