Flowmaster 817390 Header-back System 409S for 68-70 Mopar B-Body

Price:   $733.97

Flowmaster 817390 Header-back System 409S - Dual Rear Exit - American Thunder® -Moderate/Aggressive

For the person who is looking for a complete Header-back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 in. systems generally deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modification. 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.

Features:

  • Stainless steel construction
  • Dyno tuned for maximum performance
  • Patented Delta Flow technology
  • Lifetime limited warranty
  • Premium Flowmaster quality

Product Specification:

  • 2WD/4WD: 2WD
  • Exhaust series: American Thunder®
  • Exit Position: Dual Rear Exit
  • Heat shield: None
  • Inlet diameter (inches): 2.50
  • Material: Stainless Steel
  • Muffler quantity: 2
  • Muffler series: Super 40 Series
  • Outlet diameter (inches): 2.50
  • Single/Dual: Dual
  • Sound level: Moderate/Aggressive Sound
  • System type: Header-back System
  • Tubing diameter (inches): 2.50

Fitments:

  • 1969-1970 Dodge Charger 500 V8, 7.2L
  • 1969-1970 Dodge Charger 500 V8, 7.0L
  • 1970 Dodge Charger 500 V8, 6.3L
  • 1970 Dodge Charger 500 V8, 5.2L
  • 1968-1970 Dodge Charger Base V8, 7.2L
  • 1968-1970 Dodge Charger Base V8, 6.3L
  • 1968-1970 Dodge Charger Base V8, 7.0L
  • 1968-1970 Dodge Charger Base V8, 5.2L
  • 1968-1970 Dodge Charger R/T V8, 7.2L
  • 1968 Dodge Charger R/T V8, 6.3L
  • 1968-1970 Dodge Charger R/T V8, 7.0L
  • 1968 Dodge Charger R/T V8, 5.2L
  • 1969 Dodge Charger SE V8, 7.2L
  • 1969 Dodge Charger SE V8, 6.3L
  • 1969 Dodge Charger SE V8, 7.0L
  • 1969 Dodge Charger SE V8, 5.2L
  • 1968-1970 Dodge Coronet 440 V8, 7.0L
  • 1968-1970 Dodge Coronet 440 V8, 5.2L
  • 1968 Dodge Coronet 440 V8, 4.5L
  • 1968-1969 Dodge Coronet 440 V8, 7.2L
  • 1968-1970 Dodge Coronet 440 V8, 6.3L
  • 1968-1969 Dodge Coronet 500 V8, 7.2L
  • 1968-1970 Dodge Coronet 500 V8, 6.3L
  • 1968-1970 Dodge Coronet 500 V8, 7.0L
  • 1968-1970 Dodge Coronet 500 V8, 5.2L
  • 1968 Dodge Coronet 500 V8, 4.5L
  • 1970 Dodge Coronet Base V8, 7.2L
  • 1968-1970 Dodge Coronet Deluxe V8, 5.2L
  • 1968 Dodge Coronet Deluxe V8, 4.5L
  • 1968-1969 Dodge Coronet Deluxe V8, 7.2L
  • 1968-1970 Dodge Coronet Deluxe V8, 6.3L
  • 1968-1970 Dodge Coronet Deluxe V8, 7.0L
  • 1968-1970 Dodge Coronet R/T V8, 7.2L
  • 1968 Dodge Coronet R/T V8, 6.3L
  • 1968-1970 Dodge Coronet R/T V8, 7.0L
  • 1968-1970 Dodge Coronet Super Bee V8, 6.3L
  • 1968-1970 Dodge Coronet Super Bee V8, 7.0L
  • 1969-1970 Dodge Coronet Super Bee V8, 7.2L
  • 1968 Plymouth Belvedere Base V8, 4.5L
  • 1968-1970 Plymouth Belvedere Base V8, 6.3L
  • 1968-1970 Plymouth Belvedere Base V8, 5.2L
  • 1968-1970 Plymouth Belvedere Satellite V8, 6.3L
  • 1968-1970 Plymouth Belvedere Satellite V8, 5.2L
  • 1968 Plymouth Belvedere Satellite V8, 4.5L
  • 1968-1970 Plymouth GTX Base V8, 7.2L
  • 1968 Plymouth GTX Base V8, 6.3L
  • 1968-1970 Plymouth GTX Base V8, 7.0L
  • 1968 Plymouth GTX Base V8, 5.2L
  • 1968 Plymouth Roadrunner Base V8, 5.2L
  • 1968 Plymouth Roadrunner Base V8, 4.5L
  • 1969-1970 Plymouth Roadrunner Base V8, 7.2L
  • 1968-1970 Plymouth Roadrunner Base V8, 6.3L
  • 1968-1970 Plymouth Roadrunner Base V8, 7.0L
  • 1968-1969 Plymouth Satellite Base V8, 6.3L
  • 1968-1969 Plymouth Satellite Base V8, 5.2L
  • 1968 Plymouth Satellite Base V8, 4.5L
  • 1968-1969 Plymouth Satellite Sport V8, 5.2L
  • 1968 Plymouth Satellite Sport V8, 4.5L
  • 1968-1969 Plymouth Satellite Sport V8, 6.3L

Note: 1968 to 1970 Mopar B-Body with a V8 engine.


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  • Model: 817390
  • Shipping Weight: 87lbs
  • 3 Units in Stock
  • Manufactured by: Flowmaster




This product was added to our catalog on Tuesday 26 May, 2015.