Flowmaster 817174 Header-back System 409S for 55-57 Chevrolet

Price:   $702.97

Flowmaster 817174 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, these systems are mandrel bent for maximum performance and include specially selected mufflers. This American Thunder systems delivers a moderate to aggressive interior and exterior tone and is 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. Constructed out of 409S stainless steel and carrying out limited life time warranty.

Features:

  • Mandrel bent 16 gauge 409 stainless tubing
  • Moderate to aggressive exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Header back system
  • Dyno tuned for maximum performance
  • 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 part number: Kit Only
  • 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
  • Tip diameter (inches): 3.00
  • Tip quantity: 2
  • Tubing diameter (inches): 2.50

Fitments:

  • 1955-1957 Chevrolet Bel Air Base V8, 4.3L
  • 1957 Chevrolet Bel Air Base V8, 4.6L
  • 1955-1957 Chevrolet Bel Air Nomad V8, 4.3L
  • 1957 Chevrolet Bel Air Nomad V8, 4.6L
  • 1955-1957 Chevrolet One-Fifty Series Base V8, 4.3L
  • 1957 Chevrolet One-Fifty Series Base V8, 4.6L
  • 1955-1957 Chevrolet Two-Ten Series Base V8, 4.3L
  • 1957 Chevrolet Two-Ten Series Base V8, 4.6L

Note: Does not fit convertible or wagon.
1955 to 1957 Chevrolet with a V8 engine, does not fit a convertible or wagon.


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  • Model: 817174
  • Shipping Weight: 86.25lbs
  • 3 Units in Stock
  • Manufactured by: Flowmaster




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