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Flowmaster 17139 - American Thunder Header Back Exhaust System

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$549.95

$611.95

You save: $62.00 (10%) off MSRP

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This part fits

  1. 1969 Pontiac Firebird Base 4.1L L6 cid:250
  2. 1969 Chevrolet Camaro RS 4.1L L6 cid:250
  3. 1969 Chevrolet Camaro RS 4.1L L6 cid:250 cc:4098
  4. 1969 Chevrolet Camaro RS 5.0L V8 cid:307
  5. 1969 Chevrolet Camaro RS 5.0L V8 cid:307 cc:5031
  6. 1969 Chevrolet Camaro RS 5.3L V8 cid:327 cc:5358
  7. 1969 Chevrolet Camaro RS 5.4L V8 cid:327
  8. 1969 Chevrolet Camaro RS 5.7L V8 cid:350
  9. 1969 Chevrolet Camaro RS 7.0L V8 cid:427
  10. 1969 Chevrolet Camaro RS 7.0L V8 cid:427 cc:6998
  11. 1969 Chevrolet Camaro SS 5.7L V8 cid:350
  12. 1969 Chevrolet Camaro SS 6.5L V8 cid:396 cc:6489
  13. 1969 Pontiac Firebird Base 5.7L V8 cid:350
  14. 1969 Pontiac Firebird Base 5.7L V8 cid:350 cc:5733
  15. 1969 Pontiac Firebird Base 6.6L V8 cid:400
  16. 1969 Pontiac Firebird Trans Am 6.6L V8 cid:400
  17. 1969 Pontiac Firebird Trans Am 6.6L V8 cid:400 cc:6555
  18. 1969 Pontiac Firebird Base 6.6L V8 cid:400 cc:6555
  19. 1969 Pontiac Firebird Sprint 4.1L L6 cid:250
  20. 1969 Pontiac Firebird Sprint 4.1L L6 cid:250 cc:4098
  21. 1969 Chevrolet Camaro RS 4.1L L6 cid:250 cc:4097
  22. 1969 Pontiac Firebird Base 4.1L L6 cid:250 cc:4097
  23. 1969 Pontiac Firebird Base 4.1L L6 cid:250 cc:4098
  24. 1969 Chevrolet Camaro Z28 4.9L V8 cid:302 cc:4949
  25. 1969 Pontiac Firebird 350 5.7L V8 cid:350
  26. 1969 Pontiac Firebird 350 HO 5.7L V8 cid:350
  27. 1969 Pontiac Firebird 400 6.6L V8 cid:400
  28. 1969 Chevrolet Camaro Base 3.8L L6 cid:230
  29. 1969 Chevrolet Camaro Base 3.8L L6 cid:230 cc:3769
  30. 1969 Chevrolet Camaro Base 4.1L L6 cid:250
  31. 1969 Chevrolet Camaro Base 7.0L V8 cid:427 cc:6998
  32. 1969 Chevrolet Camaro RS 3.8L L6 cid:230
  33. 1969 Chevrolet Camaro RS 3.8L L6 cid:230 cc:3769
  34. 1969 Chevrolet Camaro Base 5.0L V8 cid:307 cc:5031
  35. 1969 Chevrolet Camaro Base 5.3L V8 cid:327 cc:5358
  36. 1969 Chevrolet Camaro Base 5.4L V8 cid:327
  37. 1969 Chevrolet Camaro Base 5.7L V8 cid:350
  38. 1969 Chevrolet Camaro Base 7.0L V8 cid:427
  39. 1969 Chevrolet Camaro Base 4.1L L6 cid:250 cc:4097
  40. 1969 Chevrolet Camaro Base 4.1L L6 cid:250 cc:4098
  41. 1969 Chevrolet Camaro Base 5.0L V8 cid:307
  42. show all...
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About this product

Part #: 17139

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

More Details

Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter2.500 in.
MaterialAluminized Steel
Muffler Count2
Muffler Part Number942546
Muffler SeriesSuper 44 Series
Outlet Diameter2.500 in.
Outlet Outside Diameter2.500 in.
Single or DualDual
Sound LevelModerate/Aggressive
System TypeHeader Back
Tail Pipe Diameter2.500 in.
Tip Diameter2.500 in.
Tip Quantity2
TitleFlowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive
Tubing Diameter2.500 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

441

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.

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