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Flowmaster

Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound

MSRP: $925.95
$740.95
( saved $185.00 )
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  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • Flowmaster 817412 - Header-back System 409S - Dual Side Exit - American Thunder - Aggressive Sound
  • PLEASE NOTE: Pictures are repsentative of style, may be generic.
SKU:
FLO-817412
Part Number:
817412
UPC:
700042024025
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Flowmaster - 817412

Flowmaster American Thunder Crossmember-Back Exhaust System

American Thunder Header Back Exhaust System; Dual; Dual Side Exit; Incl. 2.5 in. Tubing/Super 40 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;

This American Thunder® exhaust system comes as a complete true dual crossmember-back exhaust for your 1964-1967 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit at the rear corners of the car and angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.

  • Mandrel Bent 16ga 409S Stainless Tubing
  • Limited Lifetime Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Header Back System
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality

Exhaust Series: American Thunder
Exhaust Type: Dual
Exit Position: Dual Side
Exit Style: Straight
Heat Shield Attached: No
Inlet Diameter: 2.500 in.
Inlet Inside Diameter: N/A
Material: Stainless Steel
Muffler Count: 2
Muffler Part Number: Kit Only
Muffler Series: Super 40 Series
Outlet Diameter: 2.500 in.
Outlet Outside Diameter: 3.000 in.
Single or Dual: Dual
Sound Level: Aggressive
System Type: Header Back
Tail Pipe Diameter: 2.500 in.
Tip Diameter: N/A
Tip Quantity: 0
Tubing Diameter: 2.500 in.

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