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Flowmaster 17149 - American Thunder Header Back Exhaust System

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$599.95

$666.95

You save: $67.00 (10%) off MSRP

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This part fits

  1. 1974 Pontiac Firebird 7.5L V8 cid:455 cc:7456
  2. 1974 Pontiac Firebird 7.5L V8 cid:455
  3. 1974 Pontiac Firebird 6.6L V8 cid:400 cc:6555
  4. 1974 Pontiac Firebird 6.6L V8 cid:400
  5. 1974 Pontiac Firebird 5.7L V8 cid:350 cc:5733
  6. 1974 Pontiac Firebird 4.1L L6 cid:250
  7. 1974 Pontiac Firebird 4.1L L6 cid:250 cc:4097
  8. 1974 Pontiac Firebird 5.7L V8 cid:350
  9. 1974 Pontiac Firebird 4.1L L6 cid:250 cc:4098
  10. 1973 Chevrolet Camaro 4.1L L6 cid:250 cc:4098
  11. 1973 Chevrolet Camaro 5.0L V8 cid:307 cc:5031
  12. 1973 Chevrolet Camaro 5.0L V8 cid:307
  13. 1973 Pontiac Firebird 7.5L V8 cid:455
  14. 1973 Pontiac Firebird 6.6L V8 cid:400 cc:6555
  15. 1973 Pontiac Firebird 6.6L V8 cid:400
  16. 1973 Pontiac Firebird 5.7L V8 cid:350 cc:5733
  17. 1973 Pontiac Firebird 4.1L L6 cid:250 cc:4097
  18. 1973 Pontiac Firebird 7.5L V8 cid:455 cc:7456
  19. 1973 Pontiac Firebird 5.7L V8 cid:350
  20. 1973 Pontiac Firebird 4.1L L6 cid:250 cc:4098
  21. 1973 Pontiac Firebird 4.1L L6 cid:250
  22. 1973 Chevrolet Camaro 4.1L L6 cid:250
  23. 1973 Chevrolet Camaro 4.1L L6 cid:250 cc:4097
  24. 1973 Chevrolet Camaro 5.7L V8 cid:350
  25. 1972 Chevrolet Camaro 5.7L V8 cid:350
  26. 1972 Pontiac Firebird 4.1L L6 cid:250
  27. 1972 Pontiac Firebird 7.5L V8 cid:455
  28. 1972 Pontiac Firebird 6.6L V8 cid:400 cc:6555
  29. 1972 Pontiac Firebird 5.7L V8 cid:350 cc:5733
  30. 1972 Pontiac Firebird 5.7L V8 cid:350
  31. 1972 Chevrolet Camaro 4.1L L6 cid:250
  32. 1972 Chevrolet Camaro 6.6L V8 cid:402 cc:6588
  33. 1972 Pontiac Firebird 6.6L V8 cid:400
  34. 1972 Chevrolet Camaro 5.0L V8 cid:307 cc:5031
  35. 1972 Chevrolet Camaro 5.0L V8 cid:307
  36. 1972 Chevrolet Camaro 4.1L L6 cid:250 cc:4098
  37. 1972 Chevrolet Camaro 4.1L L6 cid:250 cc:4097
  38. 1972 Pontiac Firebird 4.1L L6 cid:250 cc:4098
  39. 1972 Pontiac Firebird 4.1L L6 cid:250 cc:4097
  40. 1972 Pontiac Firebird 7.5L V8 cid:455 cc:7456
  41. 1971 Pontiac Firebird Formula 6.6L V8 cid:400
  42. 1971 Pontiac Firebird Trans Am 6.6L V8 cid:400 cc:6555
  43. 1971 Pontiac Firebird Trans Am 7.5L V8 cid:455 cc:7456
  44. 1971 Pontiac Firebird Formula 6.6L V8 cid:400 cc:6555
  45. 1971 Pontiac Firebird Formula 7.5L V8 cid:455
  46. 1971 Pontiac Firebird Formula 7.5L V8 cid:455 cc:7456
  47. 1971 Pontiac Firebird Trans Am 5.7L V8 cid:350 cc:5733
  48. 1971 Pontiac Firebird Esprit 7.5L V8 cid:455 cc:7456
  49. 1971 Pontiac Firebird Formula 5.7L V8 cid:350 cc:5733
  50. 1971 Pontiac Firebird Trans Am 7.5L V8 cid:455
  51. 1971 Pontiac Firebird Base 6.6L V8 cid:400 cc:6555
  52. 1971 Pontiac Firebird Base 4.1L L6 cid:250
  53. 1971 Chevrolet Camaro 6.6L V8 cid:402 cc:6588
  54. 1971 Chevrolet Camaro 5.7L V8 cid:350
  55. 1971 Chevrolet Camaro 5.0L V8 cid:307 cc:5031
  56. 1971 Pontiac Firebird Esprit 7.5L V8 cid:455
  57. 1971 Pontiac Firebird Esprit 6.6L V8 cid:400 cc:6555
  58. 1971 Pontiac Firebird Esprit 6.6L V8 cid:400
  59. 1971 Pontiac Firebird Esprit 5.7L V8 cid:350 cc:5733
  60. 1971 Pontiac Firebird Esprit 5.7L V8 cid:350
  61. 1971 Pontiac Firebird Esprit 4.1L L6 cid:250 cc:4097
  62. 1971 Pontiac Firebird Base 7.5L V8 cid:455 cc:7456
  63. 1971 Pontiac Firebird Base 4.1L L6 cid:250 cc:4097
  64. 1971 Pontiac Firebird Base 4.1L L6 cid:250 cc:4098
  65. 1971 Pontiac Firebird Base 5.7L V8 cid:350
  66. 1971 Pontiac Firebird Base 5.7L V8 cid:350 cc:5733
  67. 1971 Chevrolet Camaro 5.0L V8 cid:307
  68. 1971 Chevrolet Camaro 4.1L L6 cid:250 cc:4098
  69. 1971 Chevrolet Camaro 4.1L L6 cid:250 cc:4097
  70. 1971 Chevrolet Camaro 4.1L L6 cid:250
  71. 1970 Pontiac Firebird Base 6.6L V8 cid:400
  72. 1970 Pontiac Firebird Formula 6.6L V8 cid:400
  73. 1970 Pontiac Firebird Trans Am 5.7L V8 cid:350
  74. 1970 Pontiac Firebird Formula 5.7L V8 cid:350 cc:5733
  75. 1970 Pontiac Firebird Esprit 6.6L V8 cid:400 cc:6555
  76. 1970 Pontiac Firebird Esprit 6.6L V8 cid:400
  77. 1970 Pontiac Firebird Esprit 5.7L V8 cid:350 cc:5733
  78. 1970 Pontiac Firebird Esprit 5.7L V8 cid:350
  79. 1970 Pontiac Firebird Trans Am 6.6L V8 cid:400 cc:6555
  80. 1970 Pontiac Firebird Trans Am 6.6L V8 cid:400
  81. 1970 Pontiac Firebird Trans Am 5.7L V8 cid:350 cc:5733
  82. 1970 Pontiac Firebird Esprit 4.1L L6 cid:250 cc:4097
  83. 1970 Pontiac Firebird Base 6.6L V8 cid:400 cc:6555
  84. 1970 Pontiac Firebird Formula 6.6L V8 cid:400 cc:6555
  85. 1970 Pontiac Firebird Base 5.7L V8 cid:350 cc:5733
  86. 1970 Chevrolet Camaro 4.1L L6 cid:250 cc:4097
  87. 1970 Chevrolet Camaro 5.0L V8 cid:307 cc:5031
  88. 1970 Chevrolet Camaro 5.0L V8 cid:307
  89. 1970 Chevrolet Camaro 4.1L L6 cid:250 cc:4098
  90. 1970 Chevrolet Camaro 4.1L L6 cid:250
  91. 1970 Chevrolet Camaro 5.7L V8 cid:350
  92. 1970 Chevrolet Camaro 6.6L V8 cid:402 cc:6588
  93. 1970 Pontiac Firebird Base 4.1L L6 cid:250 cc:4097
  94. 1970 Pontiac Firebird Base 4.1L L6 cid:250 cc:4098
  95. 1970 Pontiac Firebird Base 5.7L V8 cid:350
  96. 1970 Pontiac Firebird Base 4.1L L6 cid:250
  97. show all...
Authorized Dealer

About this product

Part #: 17149

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 Number932556
Muffler Series50 Series Delta Flow
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 17149 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
What made you choose this particular product?
Reviews online and sound from YouTube videos
What were you trying to accomplish by adding this product?
Better exhaust note
Was it easy install? Any installation tips that will help others?
Took a couple hours to get everything mocked up, welded and hung. Overall an easy install. Did everything at home
Once you’ve had a chance to use the product, did it meet your expectations?
Awesome sound, very deep and not too loud
View on Josh'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?
On the car when i got it.
Any additional comments?
Good sounding exhaust but a lil quiet for my taste.
View on Reggie's build
Gianfranco Estremadoyro

157

Gianfranco Estremadoyro
2009 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?
The sound is amazing!
Was it easy install? Any installation tips that will help others?
Super easy install.
Once you’ve had a chance to use the product, did it meet your expectations?
Exceeded expectations.
View on Gianfranco's build
Brandon Beres

29

Brandon Beres
2014 Ram 1500
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?
The sound is amazing
What were you trying to accomplish by adding this product?
Improved appearance
View on Brandon'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?
Needed to replace stock muffler and delete resonator
View on Samuel'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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