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Flowmaster 817409 | Exhaust System Kit
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Flowmaster 817409 | Exhaust System Kit

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$968.95
Part Number
FLO817409
UPC:
700042024056
Condition:
New
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Description

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.

BRAND: Flowmaster

FEATURES:

  • Aggressive And Powerful Exterior Exhaust Tone
  • American Thunder Header Back Exhaust System
  • American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 40 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Fits 1968 to 1972 GM A-Body with a V-8 engine.
  • Header Back System
  • Header Back; Exhaust; Kit; GM; A-Body; Chevelle; Performance
  • Header-back 409S 68-72 GM
  • Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
  • Incl. Hangers and Hardware For Easy Installation
  • Limited Lifetime Warranty
  • Mandrel Bent 16ga 409S Stainless Tubing
  • Premium Flowmaster Quality

SPECIFICS:

California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter2.500 in.
Inlet Inside DiameterN/A
MaterialStainless Steel
Muffler Count2
Muffler Part NumberKit Only
Muffler SeriesSuper 40 Series
Outlet Diameter2.500 in.
Outlet Outside Diameter2.500 in.
Single or DualDual
Sound LevelAggressive
System TypeHeader Back
Tail Pipe Diameter2.500 in.
Tip DiameterN/A
Tip Quantity0
TitleFlowmaster 817409 Header-back System 409S- Dual Rear Exit - American Thunder - Aggressive Sound
Tubing Diameter2.500 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 40 Series(TM) Mufflers/H-Pipe/Hardware; 409 Stainless Steel;Legal On Non-Emissions Controlled Vehicles Or For Race Use

DOWNLOADS:

  • INSTALLATION INSTRUCTIONS

    • INTERCHANGE:

    • Dynatech Headers: 913250
    • Flowmaster: 17119
    • MagnaFlow Exhaust Products: 15894

    APPLICATIONS:

    • 1970-1972 Buick GS 455
    • 1968-1970 Pontiac Tempest
    • 1968-1969 Buick Special
    • 1968-1973 Pontiac LeMans
    • 1968-1971 Oldsmobile 442
    • 1970-1972 Buick GS
    • 1968-1972 Pontiac Grand Prix
    • 1968-1969 Buick GS 400
    • 1968-1972 Pontiac GTO
    • 1968-1972 Chevrolet Chevelle
    • 1968-1972 Oldsmobile F85
    • 1968-1972 Buick Skylark
    • 1968-1969 Buick GS 350
    • 1968-1972 Oldsmobile Vista Cruiser

    Attributes
    Product type:
    Aftermarket
    Features and Benefits:
    This American Thunder exhaust system comes as a complete true dual crossmember-back exhaust for your 1968-1972 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch mandrel-bent stainless steel tubing for maximum performance, inclu
    Features and Benefits:
    Mandrel Bent 16ga 409S Stainless Tubing
    Features and Benefits:
    Header Back System
    Features and Benefits:
    Limited Lifetime Warranty
    Features and Benefits:
    Dual Out Rear Exit
    Features and Benefits:
    Dyno Tuned for Maximum Performance
    Features and Benefits:
    Premium Flowmaster Quality
    Features and Benefits:
    Aggressive And Powerful Exterior Exhaust Tone
    Features and Benefits:
    Incl. Hangers and Hardware For Easy Installation
    California Proposition 65:
    WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Brand Description:
    American Thunder Header Back Exhaust System
    Product Description:
    American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 40 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;
    Exhaust Type:
    Dual
    Exit Position:
    Dual Rear
    Inlet Inside Diameter:
    N/A
    Material:
    Stainless Steel
    Tip Diameter:
    N/A
    Tubing Diameter:
    2.500 in.
    WARNING CA Proposition 65:
    Yes
    Tail Pipe Diameter:
    2.500 in.
    California Proposition 65 Chemical Name 1:
    Nickel (metallic)
    California Proposition 65 Chemical Name 2:
    Chromium (hexavalent compounds)
    Inlet Diameter:
    2.500 in.
    Outlet Diameter:
    2.500 in.
    System Type:
    Header Back
    Title:
    Flowmaster 817409 Header-back System 409S- Dual Rear Exit - American Thunder - Aggressive Sound
    Single or Dual:
    Dual
    Exhaust Series:
    American Thunder
    Heat Shield Attached:
    No
    Muffler Count:
    2
    Muffler Part Number:
    Kit Only
    Life Cycle Status:
    Available to Order
    Muffler Series:
    Super 40 Series
    Life Cycle Status Description:
    Available to Order - Part is released to customers for ordering.
    Sound Level:
    Aggressive
    Item Level GTIN:
    00700042024056
    Tip Quantity:
    0
    Quantity Per Application:
    2
    Outlet Outside Diameter:
    2.500 in.
    Exit Style:
    Straight
    Short Description:
    Exhaust System Kit
    Hazardous Material:
    No
    Minimum Order Quantity:
    1
    Weight - Each (Gross Pounds):
    67.7500
    Height - Each (Inch):
    17.1000
    Length - Each (Inch):
    60.0000
    Width - Each (Inch):
    18.7000

    Prop 65 WarningWARNING

    This product can expose you to chemicals, including WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.




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